The Plant List — A working list for all plant species

⚠ Version 1 of The Plant List has been superseded.

You should refer instead to the current version of The Plant List.

Results

4144 plant name records match your search criteria Piper. The results are below.

The results can also be downloaded as a CSV file.

See "Status", "Confidence level", "Source" for definitions.

Name Status Confi­dence level Source
Piper abalienatum Trel. Accepted M TRO
Piper abbadianum Yunck. Accepted M WCSP (in review)
Piper abbreviatum Opiz Accepted M WCSP (in review)
Piper abditum Trel. Accepted M TRO
Piper abellinum Trel. & Yunck. Unresolved L WCSP (in review)
Piper aberrans C.DC. Unresolved L WCSP (in review)
Piper abraense C.DC. Unresolved L WCSP (in review)
Piper abutilifolium (Miq.) C. DC. Accepted L TRO
Piper abutiloides Kunth Unresolved L WCSP (in review)
Piper acamptostachys Trel. Unresolved L WCSP (in review)
Piper acarouanyanum C. DC. Synonym M TRO
Piper accedens S.Moore Unresolved L WCSP (in review)
Piper accrescens Van Heurck & Müll.Arg. Unresolved L WCSP (in review)
Piper achiguiricum Trel. Unresolved L TRO
Piper achoteanum Trel. Accepted M TRO
Piper achotense Trel. & Yunck. Unresolved L WCSP (in review)
Piper achromatolepis Trel. Accepted M TRO
Piper achupallasense Yunck. Accepted M TRO
Piper acre Blume Unresolved L WCSP (in review)
Piper acreanum C. DC. Synonym M TRO
Piper actae Trel. Synonym M TRO
Piper aculeatum C.DC. Unresolved L WCSP (in review)
Piper acuminatissimum C. DC. Synonym M TRO
Piper acuminatum (Ruiz & Pav.) Pers. Synonym M WCSP (in review)
Piper acuminatum L. Synonym M TRO
Piper acutamentum C.DC. Unresolved L WCSP (in review)
Piper acutibaccum C.DC. Unresolved L WCSP (in review)
Piper acutibracteum C.DC. Unresolved L WCSP (in review)
Piper acutifolium Ruiz & Pav. Accepted M TRO
Piper acutifolium var. acutifolium Accepted L TRO
Piper acutifolium var. membranaceum C. DC. Synonym L TRO
Piper acutifolium var. subverbascifolium C. DC. Synonym L TRO
Piper acutilimbum C.DC. Unresolved L WCSP (in review)
Piper acutissimum Trel. Synonym M WCSP (in review)
Piper acutissimum var. trichopus (Trel.) Yunck. Synonym L TRO
Piper acutistigmum C.DC. Unresolved L WCSP (in review)
Piper acutistipulum C.DC. Unresolved L WCSP (in review)
Piper acutiusculum C. DC. Accepted M TRO
Piper acutulum Trel. Accepted M TRO
Piper adamatum Trel. & Standl. Unresolved L WCSP (in review)
Piper adenandrum (Miq.) C.DC. Accepted M WCSP (in review)
Piper adenophlebium Trel. Synonym L TRO
Piper adenophorum (Miq.) C. DC. Synonym L TRO
Piper admirabile Yunck. Accepted M TRO
Piper adornatispicum Trel. Synonym M TRO
Piper adreptum Trel. Accepted M TRO
Piper adscendens Endl. Unresolved L WCSP (in review)
Piper aduncifolium Trel. Synonym M TRO
Piper aduncum L. Accepted M WCSP (in review)
Piper aduncum var. aduncum Accepted L TRO
Piper aduncum var. brachyarthrum (Trel.) Yunck. Synonym L WCSP (in review)
Piper aduncum var. cordulatum (C.DC.) Yunck. Accepted L WCSP (in review)
Piper aduncum var. laevifolium C. DC. Synonym L TRO
Piper aegrum Trel. Synonym M TRO
Piper aemulum Endl. Unresolved L WCSP (in review)
Piper aequale Vahl Accepted M WCSP (in review)
Piper aequale var. elliptico-lanceolatum C. DC. Synonym L TRO
Piper aequale var. glanduligerum (C.DC.) Steyerm. Synonym L WCSP (in review)
Piper aequale var. laurifolium (Trel.) Yunck. Accepted L TRO
Piper aequale var. santa-martanum (C.DC.) Trel. & Yunck. Synonym L WCSP (in review)
Piper aequale var. substenocarpum C. DC. Synonym L TRO
Piper aequilaterum C. DC. Synonym L TRO
Piper aereum Trel. Accepted M TRO
Piper aeruginosibaccum Trel. Synonym M TRO
Piper affectans Trel. Synonym L TRO
Piper affictum Trel. Accepted M TRO
Piper affine M. Martens & Galeotti Synonym M TRO
Piper affine (Miq.) C. DC. Synonym L TRO
Piper afflictum Trel. Accepted M TRO
Piper afzelianum Roem. & Schult. Synonym M TRO
Piper agellifolium Trel. & Yunck. Unresolved L WCSP (in review)
Piper aggregatum P.J.Bergius Synonym M WCSP (in review)
Piper agostinii Yunck. Synonym M WCSP (in review)
Piper agostiniorum Steyerm. Accepted M WCSP (in review)
Piper aguacalientis Trel. Unresolved L WCSP (in review)
Piper aguadulcense Yunck. Accepted M TRO
Piper aguilanum C. DC. Synonym M TRO
Piper agusanense C.DC. Unresolved L WCSP (in review)
Piper alajuelanum Trel. Synonym M TRO
Piper alare Desv. ex Ham. Synonym M TRO
Piper alatabaccum Trel. & Yunck. Accepted M WCSP (in review)
Piper alatipetiolatum Yunck. Unresolved L WCSP (in review)
Piper alatum (Ruiz & Pav.) Vahl Synonym M WCSP (in review)
Piper albamentum C.DC. Unresolved L WCSP (in review)
Piper albanense Yunck. Unresolved L WCSP (in review)
Piper albert-smithii Trel. & Yunck. Synonym M TRO
Piper alberti Trel. Synonym M TRO
Piper albescens C. DC. Synonym M TRO
Piper albicaule Trel. Synonym M TRO
Piper albiciliatum Yunck. Accepted M TRO
Piper albidiflorum C.DC. Unresolved L WCSP (in review)
Piper albidirameum C.DC. Unresolved L WCSP (in review)
Piper albidistigmatum C.DC. Unresolved L WCSP (in review)
Piper albidopunctatum Blume Unresolved L WCSP (in review)
Piper albidum Kunth Accepted M TRO
Piper albispicum C. DC. Synonym M TRO
Piper albogranulatum Trel. Accepted M TRO
Piper albomaculatum D. Dietr. Synonym M TRO
Piper albopapillatum Trel. Accepted M TRO
Piper albopilosum Yunck. Unresolved L WCSP (in review)
Piper albopunctatum C.DC. Unresolved L WCSP (in review)
Piper albopunctulatissimum Trel. Synonym L TRO
Piper albozonatum C. DC. Accepted M TRO
Piper albuginiferum Trel. Synonym M TRO
Piper album Vahl Unresolved L WCSP (in review)
Piper aleyreanum C. DC. Accepted M TRO
Piper allardii Yunck. Accepted M TRO
Piper allatum Trel. Synonym M TRO
Piper allenii Trel. Synonym M TRO
Piper allisum Trel. Synonym M TRO
Piper alluvicola C. DC. Synonym M TRO
Piper alnoides Kunth Accepted M TRO
Piper alpinum Sw. Synonym M WCSP (in review)
Piper alpinum (Miq.) C. DC. Synonym M TRO
Piper alsinoides Lam. Unresolved L WCSP (in review)
Piper alstonii Trel. Synonym L TRO
Piper altevaginans Trel. Synonym M TRO
Piper alveatum Trel. Synonym M TRO
Piper alveolatifolium Trel. Synonym M TRO
Piper alveolatum Opiz Accepted M TRO
Piper alwynii Callejas & Betancur Unresolved L TRO
Piper amagarum Trel. Synonym M TRO
Piper amalago L. Accepted L WCSP (in review)
Piper amalago f. ceanothifolium (Kunth) Steyerm. Synonym L TRO
Piper amalago var. ceanothifolium (Kunth) Yunck. Synonym L TRO
Piper amalago var. medium (Jacq.) Yunck. Synonym L WCSP (in review)
Piper amalago var. variifolia (Griseb.) Fawc. & Rendle Accepted L TRO
Piper amazonasense Trel. & Yunck. Synonym M WCSP (in review)
Piper amazonicum (Miq.) C.DC. Synonym M WCSP (in review)
Piper ambiguum Salisb. Unresolved L WCSP (in review)
Piper amboinense (Miq.) C. DC. Accepted L TRO
Piper amboinense var. latifolium (Miq.) C. DC. Accepted L TRO
Piper amnigaudens Trel. Synonym M TRO
Piper amoenum Yunck. Unresolved L WCSP (in review)
Piper amparoense Yunck. Accepted M WCSP (in review)
Piper amphibium Trel. Synonym M TRO
Piper amphibracteum C.DC. Unresolved L WCSP (in review)
Piper amphioxys Trel. Synonym M TRO
Piper amphioxys var. laurifolium Trel. Synonym L TRO
Piper amphitrichum Trel. Accepted M TRO
Piper amphoricarpum Trel. Synonym L TRO
Piper amplectens (Miq.) C. DC. Synonym L TRO
Piper amplectenticaule Trel. & Yunck. Accepted M WCSP (in review)
Piper amplexicaule Sw. Synonym M TRO
Piper amplexifolium Link Unresolved L WCSP (in review)
Piper amplilimbum C.DC. Unresolved L WCSP (in review)
Piper amplum Kunth Accepted M TRO
Piper anastylum Trel. Accepted M TRO
Piper andersonii C.DC. Unresolved L WCSP (in review)
Piper andicolum Kunth Synonym M TRO
Piper andreanum C. DC. Accepted M TRO
Piper andreanum var. parvifolium C. DC. Synonym L TRO
Piper andresense Trel. Synonym M TRO
Piper andresense var. subcalvescens Trel. Synonym L TRO
Piper androgynum C. DC. Accepted M TRO
Piper angamarcanum C. DC. Accepted M TRO
Piper angremondii C. DC. Synonym L TRO
Piper anguillaespicum Trel. Synonym M TRO
Piper angulatum (Kunth) Poir. Synonym M WCSP (in review)
Piper angustatum (Kunth) Poir. Synonym M WCSP (in review)
Piper angustiae Trel. Unresolved L TRO
Piper angustifolium Ruiz & Pav. [Illegitimate] Synonym M WCSP (in review)
Piper angustifolium Lam. Synonym M TRO
Piper angustifolium var. cordulatum C.DC. Synonym L WCSP (in review)
Piper angustifolium var. ossanum C. DC. Synonym L TRO
Piper angustilimbum C.DC. Unresolved L WCSP (in review)
Piper angustipeltatum Merr. Unresolved L WCSP (in review)
Piper angustum Rudge ex Spreng. Synonym L TRO
Piper anisatum Kunth Synonym M WCSP (in review)
Piper anisitsii C.DC. Unresolved L WCSP (in review)
Piper anisodorum Náves ex Fern.-Vill. Unresolved L WCSP (in review)
Piper anisodorum Blanco Unresolved L WCSP (in review)
Piper anisophyllum Trel. Synonym M TRO
Piper anisophyllum var. granulatum Trel. Synonym L TRO
Piper anisopleurum C.DC. Unresolved L WCSP (in review)
Piper anisotis Hook.f. Unresolved L WCSP (in review)
Piper anisotrichum C.DC. Unresolved L WCSP (in review)
Piper anisumolens Blanco Unresolved L WCSP (in review)
Piper annulatispicum Trel. & Yunck. Unresolved L WCSP (in review)
Piper annulatum Trel. Synonym M TRO
Piper anomalum C.DC. Unresolved L WCSP (in review)
Piper anonifolium (Kunth) Steud. Accepted M WCSP (in review)
Piper anonifolium Kunth Unresolved L TRO
Piper anonifolium (Kunth) C. DC. Synonym M TRO
Piper anonifolium var. parkerianum (Miq.) Steyerm. Accepted L WCSP (in review)
Piper anonifolium var. rigidulum C. DC. Synonym L TRO
Piper anonymum Trel. Accepted M TRO
Piper anostachyum Yunck. Unresolved L WCSP (in review)
Piper antioquiense C.DC. Unresolved L WCSP (in review)
Piper apertum Trel. Synonym M TRO
Piper apertum var. nodosum Trel. Synonym L TRO
Piper apiculatum C. DC. Synonym L TRO
Piper apodum Trel. Accepted M TRO
Piper apollinaris C. DC. Synonym M TRO
Piper appendiculatum (Benth.) C. DC. Accepted L TRO
Piper apurimacanum Trel. Accepted M TRO
Piper apus Trel. Accepted M TRO
Piper aquacalientis Trel. Synonym M TRO
Piper aragonense Trel. Synonym M TRO
Piper araguense Trel. & Yunck. Synonym M WCSP (in review)
Piper araneatum Trel. Accepted M TRO
Piper araquei Yunck. Unresolved L WCSP (in review)
Piper arbelaezii Trel. & Yunck. Accepted M WCSP (in review)
Piper arbelaezii var. subglabrirameum Yunck. Synonym L TRO
Piper arbores-crassae Trel. Unresolved L TRO
Piper arborescens Roxb. Accepted M TRO
Piper arborescens var. angustilimbum Quisumb. Synonym L TRO
Piper arboreum Aubl. Accepted M WCSP (in review)
Piper arboreum subsp. arboreum Accepted L TRO
Piper arboreum var. falcifolium (Trel.) Yunck. Synonym L WCSP (in review)
Piper arboreum f. geniculata Fawc. & Rendl. Synonym L TRO
Piper arboreum var. giganteum Trel. & Yunck. Synonym L TRO
Piper arboreum var. hirtellum Yunck. Accepted L WCSP (in review)
Piper arboreum var. latifolium (C.DC.) Yunck. Synonym L WCSP (in review)
Piper arboreum subsp. stamineum (Miq.) Borhidi Unresolved L WCSP (in review)
Piper arboreum subsp. tuberculatum (Jacq.) Tebbs Synonym L WCSP (in review)
Piper arboricola C. DC. Synonym M TRO
Piper arborigaudens C.DC. Unresolved L WCSP (in review)
Piper arborisedens C.DC. Unresolved L WCSP (in review)
Piper arbuscula Trel. Unresolved L WCSP (in review)
Piper arcessitum Trel. Synonym M TRO
Piper archeri Trel. & Yunck. Synonym L TRO
Piper archidonense Trel. Synonym M TRO
Piper arcteacuminatum Trel. Synonym M TRO
Piper arctilimbum Trel. Synonym M TRO
Piper arctilimbum var. allenii Trel. Synonym L TRO
Piper arcuatum C. Presl Synonym M TRO
Piper arduum Trel. Accepted M TRO
Piper arenicola Trel. Synonym M TRO
Piper areolatum (Miq.) C. DC. Accepted L TRO
Piper arfakianum C.DC. Unresolved L WCSP (in review)
Piper argentamentum Trel. & Yunck. Synonym M TRO
Piper argentinum (C. DC.) Trel. Synonym M TRO
Piper argillicola C. DC. Synonym M TRO
Piper argyritis Ridl. ex C.DC. Unresolved L WCSP (in review)
Piper argyroneurum Hallier f. Unresolved L WCSP (in review)
Piper argyrophyllum Miq. Unresolved L WCSP (in review)
Piper arieianum C.DC. Synonym M WCSP (in review)
Piper arieianum var. chimantanum (Yunck.) Steyerm. Synonym L WCSP (in review)
Piper arieianum var. duidaense (Trel.) Steyerm. Synonym L WCSP (in review)
Piper arieianum var. yaracuyense (Yunck.) Steyerm. Synonym L WCSP (in review)
Piper arifolium Miq. Unresolved L WCSP (in review)
Piper aripoense Trel. Unresolved L WCSP (in review)
Piper aristeguietae Yunck. Synonym L WCSP (in review)
Piper aristolochiaefolium (Trel.) Yunck. Accepted M TRO
Piper aristolochioides Lam. Unresolved L WCSP (in review)
Piper aristolochiphyllum Quisumb. Unresolved L WCSP (in review)
Piper armatum Trel. & Yunck. Accepted M TRO
Piper arnottianum (Miq.) C. DC. Accepted M TRO
Piper aromaticum Willd. Synonym M WCSP (in review)
Piper arrectispicum Trel. Accepted M TRO
Piper arreptum Trel. Accepted M TRO
Piper artanthe C.DC. Accepted M WCSP (in review)
Piper artanthe var. grandifolium Yunck. Synonym L TRO
Piper arthantopse C. DC. Accepted M TRO
Piper articulosum Trel. Synonym M TRO
Piper arunachalensis Gajurel, P.R., P. Rethy & Y. Kumar Accepted M TRO
Piper arundinetorum Trel. Synonym M TRO
Piper asarifolium (Schltdl.) D.Dietr. Synonym M WCSP (in review)
Piper ascendentispicum Trel. Accepted M TRO
Piper asclepiadifolium Trel. Accepted M TRO
Piper aserrianum Trel. Synonym L TRO
Piper aspericaule Trel. Synonym M TRO
Piper asperifolium Rich. Synonym M WCSP (in review)
Piper asperifolium Opiz Synonym M TRO
Piper asperifolium Ruiz & Pav. Synonym M TRO
Piper asperilimbum C.DC. Accepted M WCSP (in review)
Piper asperiusculum Kunth Accepted M TRO
Piper asperrimicaule Trel. Synonym M TRO
Piper asperulibaccum C.DC. Unresolved L WCSP (in review)
Piper asplundii Yunck. Accepted M TRO
Piper asterocarpum Trel. Accepted M TRO
Piper asterostigmum Quisumb. Unresolved L WCSP (in review)
Piper asterotrichum C. DC. Accepted M TRO
Piper asymmetricum C. DC. Synonym M TRO
Piper atlantidanum Trel. Synonym M TRO
Piper atlantidanum var. sibunense Trel. Synonym L TRO
Piper atlantidanum var. yoroense Trel. Synonym L TRO
Piper atrichopus Trel. Synonym M TRO
Piper atrichopus var. arborescens Trel. Synonym L TRO
Piper atrobaccum Trel. & Yunck. Unresolved L WCSP (in review)
Piper atroglandulosum Tebbs Accepted M TRO
Piper atropremnon Trel. Unresolved L WCSP (in review)
Piper atrorameum C. DC. Synonym M TRO
Piper atrosanguineum C.DC. Unresolved L WCSP (in review)
Piper atrospicum C.DC. Unresolved L WCSP (in review)
Piper attenuatamentum Trel. Accepted M TRO
Piper attenuatum Buch.-Ham. ex Miq. Accepted M TRO
Piper attenuatum Willd. ex Kunth Synonym M TRO
Piper augustum Rudge Accepted L WCSP (in review)
Piper augustum var. cocleanum (Trel.) Yunck. Accepted L TRO
Piper aulacospermum Callejas Unresolved L WCSP (in review)
Piper aurantiacum Wall. ex C. DC. Synonym L TRO
Piper aurantiacum var. glabrum (Miq.) C. DC. Unresolved L TRO
Piper aurantiacum var. hupeense C. DC. Synonym L TRO
Piper auriculatum (Miq.) C. DC. Accepted L TRO
Piper auriculiferum Trel. Synonym M TRO
Piper auriculifolium Yunck. Unresolved L WCSP (in review)
Piper auriculilaminum Yunck. Unresolved L WCSP (in review)
Piper aurilimbum C.DC. Unresolved L WCSP (in review)
Piper auristellanum C. DC. Synonym L TRO
Piper auritifolium Trel. Synonym M TRO
Piper auritilaminum Trel. Synonym L TRO
Piper auritilimbum Trel. Synonym L TRO
Piper auritum Kunth Accepted L TRO
Piper auritum var. amplifolium C. DC. Synonym L TRO
Piper auritum f. rinconense Trel. Synonym L TRO
Piper auritum var. seemannianum (Miq.) Trel. Synonym L TRO
Piper aurorubrum C.DC. Unresolved L WCSP (in review)
Piper austinii Trel. Synonym M TRO
Piper austinii var. aequilaterum Trel. Synonym L TRO
Piper australasicum C.DC. Unresolved L WCSP (in review)
Piper australe A.Cunn. ex Miq. Unresolved L WCSP (in review)
Piper austrocaledonicum C.DC. Synonym M WCSP (in review)
Piper austromexicanum Trel. Unresolved L WCSP (in review)
Piper austrosinense Y.Q. Tseng Accepted M TRO
Piper avanum Wall. Unresolved L WCSP (in review)
Piper avellanum (Miq.) C.DC. Accepted M WCSP (in review)
Piper avene Hassk. Unresolved L WCSP (in review)
Piper awaensis M.A. Jaram. & Callejas Unresolved L TRO
Piper azuaiense Yunck. Accepted M TRO
Piper azupizuanum Trel. Accepted M TRO
Piper baccans (Miq.) C.DC. Accepted M WCSP (in review)
Piper baccans var. sancarlosianum (C.DC.) Steyerm. Accepted L WCSP (in review)
Piper baccatum C.DC. Unresolved L WCSP (in review)
Piper baccatum Blume Unresolved L WCSP (in review)
Piper baclei C.DC. Unresolved L WCSP (in review)
Piper baculiferum Trel. Synonym M TRO
Piper baezanum C. DC. Accepted M TRO
Piper baezense Trel. Accepted M TRO
Piper baguionum C.DC. Unresolved L WCSP (in review)
Piper bahianum Yunck. Unresolved L WCSP (in review)
Piper bahiense (C. Presl) C. DC. Accepted L TRO
Piper bajanum Trel. & Yunck. Unresolved L WCSP (in review)
Piper bakeri C. DC. Unresolved L TRO
Piper bakerianum C.DC. Unresolved L WCSP (in review)
Piper balansae C.DC. Unresolved L WCSP (in review)
Piper balaoense C. DC. Synonym M TRO
Piper balbisianum C.DC. Unresolved L WCSP (in review)
Piper balsapuertanum Trel. Accepted M TRO
Piper bambusifolium Y.Q. Tseng Accepted M TRO
Piper banaoanum Trel. Unresolved L WCSP (in review)
Piper bangii C.DC. Unresolved L WCSP (in review)
Piper bangkanum C.DC. Unresolved L WCSP (in review)
Piper banksii Miq. Unresolved L WCSP (in review)
Piper bantamense Blume Unresolved L WCSP (in review)
Piper baptisianum C.DC. Unresolved L WCSP (in review)
Piper baracoanum León Unresolved L WCSP (in review)
Piper baramense C.DC. Unresolved L WCSP (in review)
Piper barbatum Kunth Accepted M TRO
Piper barbatum var. andicolum (Kunth) Trel. & Yunck. Synonym L TRO
Piper barbatum var. isernii Trel. Synonym L TRO
Piper barberi Gamble Unresolved L WCSP (in review)
Piper barbicuspe Trel. Accepted M TRO
Piper barbinerve Trel. Synonym M TRO
Piper barbirostre Trel. Synonym M TRO
Piper barbispicum C.DC. Unresolved L WCSP (in review)
Piper barbosanum Trel. & Yunck. Unresolved L WCSP (in review)
Piper barbulantherum Trel. Accepted M TRO
Piper barbulatum C. DC. Synonym M TRO
Piper barclayanum C.DC. Unresolved L WCSP (in review)
Piper baricuspi Trel. Unresolved L TRO
Piper barkleyi Yunck. Unresolved L WCSP (in review)
Piper baronii C.DC. Unresolved L WCSP (in review)
Piper barretoi Yunck. Unresolved L WCSP (in review)
Piper barriosense Trel. & Standl. Synonym M TRO
Piper bartlingianum (Miq.) C.DC. Accepted M WCSP (in review)
Piper bartlingianum var. parimanum (Trel.) Steyerm. Synonym L WCSP (in review)
Piper baryanum C. DC. Synonym M TRO
Piper basellaefolium (Kunth) Poir. Synonym M TRO
Piper basilanum C.DC. Unresolved L WCSP (in review)
Piper basilobatum Trel. & Yunck. Unresolved L WCSP (in review)
Piper bathicarpum C.DC. Unresolved L WCSP (in review)
Piper batuanum C.DC. Unresolved L WCSP (in review)
Piper bavinum C. DC. Synonym M TRO
Piper bayamonanum Trel. Synonym M TRO
Piper beccarii C.DC. Unresolved L WCSP (in review)
Piper begoniaefolium Hook. & Arn. Unresolved L TRO
Piper begoniicolor Trel. & Yunck. Synonym M TRO
Piper begoniicolor var. lobatum Trel. & Yunck. Synonym L TRO
Piper begoniifolia (Blume) C. DC. Synonym M TRO
Piper begoniifolium (Blume) Quisumb. [Illegitimate] Synonym M WCSP (in review)
Piper begoniifolium (Blume) Hook. & Arn. Synonym M TRO
Piper begoniiforme Yunck. Accepted M TRO
Piper bejucalanum Trel. Unresolved L WCSP (in review)
Piper belemense C. DC. Synonym L TRO
Piper bellidifolium Yunck. Accepted M TRO
Piper belloi Yunck. Unresolved L WCSP (in review)
Piper bellum Yunck. Unresolved L WCSP (in review)
Piper belterraense Yunck. Unresolved L WCSP (in review)
Piper bengalense C.DC. Unresolved L WCSP (in review)
Piper benianum Trel. Synonym M TRO
Piper bennettianum C.DC. Unresolved L WCSP (in review)
Piper benthamianum (Miq.) C.DC. Synonym M WCSP (in review)
Piper bequaertii De Wild. Synonym M TRO
Piper berembunense Chaveer. & Sudmoon Unresolved L WCSP (in review)
Piper berlandieri C. DC. Synonym L TRO
Piper bermejanum Trel. & Yunck. Accepted M TRO
Piper bermudezense Trel. Synonym L TRO
Piper bernouillii C. DC. Unresolved L TRO
Piper berryi Steyerm. Accepted M WCSP (in review)
Piper berteroanum C. DC. Accepted M TRO
Piper betel Blanco [Spelling variant] Synonym M WCSP (in review)
Piper betle L. Accepted M WCSP (in review)
Piper betle var. densum (Blume) C. DC. Synonym L TRO
Piper betle f. densum (Blume) Fosberg Accepted L TRO
Piper betle var. marianum (Opiz) C. DC. Synonym L TRO
Piper betle f. marianum (Opiz) Fosberg Accepted L TRO
Piper betle var. psilocarpum C. DC. Synonym L TRO
Piper betleoides C.DC. Unresolved L WCSP (in review)
Piper betloides Chaveer. & Tanomtong Unresolved L WCSP (in review)
Piper biauritum C. DC. Accepted M TRO
Piper bicolor Yunck. Synonym M TRO
Piper bidentatum Stokes Unresolved L WCSP (in review)
Piper biformipilum Yunck. Unresolved L TRO
Piper bigelovii Trel. Synonym M TRO
Piper bikanum O.Schwartz Unresolved L WCSP (in review)
Piper bilineatum Blume Unresolved L WCSP (in review)
Piper bilobulatum C.DC. Unresolved L WCSP (in review)
Piper biolleyi C. DC. Accepted M TRO
Piper bipedale C.DC. Unresolved L WCSP (in review)
Piper bipunctatum C.DC. Unresolved L WCSP (in review)
Piper biritak Trel. & Standl. Unresolved L WCSP (in review)
Piper birmanicum C.DC. Unresolved L WCSP (in review)
Piper biroi K.Schum. Unresolved L WCSP (in review)
Piper bisacuminatum Trel. Unresolved L WCSP (in review)
Piper bisasperatum Trel. Accepted M TRO
Piper biseriatum C. DC. Accepted M TRO
Piper bisexuale C.DC. Unresolved L WCSP (in review)
Piper bistigmatum C.DC. Unresolved L WCSP (in review)
Piper biunciale Poir. Unresolved L WCSP (in review)
Piper bivalvantherum C.DC. Unresolved L WCSP (in review)
Piper blanchetii (Miq.) C. DC. Accepted L TRO
Piper blancoi Merr. Unresolved L WCSP (in review)
Piper blandum Jacq. Synonym M WCSP (in review)
Piper blattarum Spreng. Synonym L TRO
Piper blepharilepidum Trel. Synonym M TRO
Piper bocasense Trel. Synonym M TRO
Piper boconoense Trel. & Yunck. Synonym M WCSP (in review)
Piper boehmeriifolium (Miq.) Wall. ex C. DC. Accepted L TRO
Piper boehmeriifolium var. boehmeriifolium Accepted L TRO
Piper boehmeriifolium var. glabricaule (C. DC.) M.G. Gilbert & N.H. Xia Accepted L TRO
Piper boehmeriifolium var. tonkinense C. DC. Synonym L TRO
Piper boerlagei C.DC. Unresolved L WCSP (in review)
Piper bogotense C.DC. Accepted M WCSP (in review)
Piper bogotense var. usaquemense Trel. Synonym L TRO
Piper boissierianum C.DC. Unresolved L WCSP (in review)
Piper boivinii C.DC. Unresolved L WCSP (in review)
Piper bojonyum C.DC. Unresolved L WCSP (in review)
Piper bolanicum Schltr. ex R.O.Gardner Unresolved L WCSP (in review)
Piper bolivaranum Yunck. Accepted M WCSP (in review)
Piper bolivianum C. DC. Synonym M TRO
Piper bombycatum Noronha Unresolved L WCSP (in review)
Piper bonii C. DC. Accepted M TRO
Piper bonthainense C.DC. Unresolved L WCSP (in review)
Piper bontianum C.DC. Unresolved L WCSP (in review)
Piper boorsroae C.DC. Unresolved L WCSP (in review)
Piper bopianum Trel. Synonym M TRO
Piper boquetense Yunck. Accepted M TRO
Piper boquianum Trel. & Yunck. Unresolved L WCSP (in review)
Piper borbonense (Miq.) C. DC. Accepted M TRO
Piper borneense N.E.Br. Unresolved L WCSP (in review)
Piper borucanum C. DC. Synonym M TRO
Piper bosnicanum C.DC. Accepted M WCSP (in review)
Piper botrytes Vahl Unresolved L WCSP (in review)
Piper botterii C. DC. Accepted M TRO
Piper boucheanum C.DC. Unresolved L WCSP (in review)
Piper bourgeaui C.DC. Unresolved L WCSP (in review)
Piper bowiei Yunck. Unresolved L WCSP (in review)
Piper brachipilum Yunck. Accepted M TRO
Piper brachistopodium C. DC. Synonym M TRO
Piper brachypetiolatum Yunck. Unresolved L WCSP (in review)
Piper brachyphyllum Willd. Unresolved L WCSP (in review)
Piper brachypodon (Benth.) C. DC. Accepted L TRO
Piper brachypodon f. hirtella C. DC. Synonym L TRO
Piper brachypus Trel. Unresolved L WCSP (in review)
Piper brachyrachis C.H.Wright Unresolved L WCSP (in review)
Piper brachystachyon Vahl Unresolved L WCSP (in review)
Piper brachystachyum Vahl Synonym M TRO
Piper brachystachyum Wall. ex Hook. f. Synonym M TRO
Piper brachystachyum C. DC. Synonym L TRO
Piper brachystylum Trel. Accepted M TRO
Piper brachytrichum Trel. Accepted M TRO
Piper bracteatum Thomps. Synonym M TRO
Piper bradei Yunck. Unresolved L WCSP (in review)
Piper braggmanense Trel. Unresolved L TRO
Piper brasiliense C. DC. Accepted M TRO
Piper brassii Trel. Unresolved L WCSP (in review)
Piper bredemeyeri J.Jacq. Accepted M WCSP (in review)
Piper bredemeyeri var. angustifolium Trel. & Yunck. Synonym L WCSP (in review)
Piper bredemeyeri var. flexuosum (Jacq.) Trel. & Yunck. Synonym L TRO
Piper brenesii C. DC. Synonym M TRO
Piper breve C. DC. ex Trel. Synonym M TRO
Piper breve var. bellae-vistae Trel. Synonym L TRO
Piper breve var. divaricatum Trel. Synonym L TRO
Piper breve var. pallidineurum Trel. Synonym L TRO
Piper breve var. pseudodumeticola Trel. Synonym L TRO
Piper breve var. pseudofatoanum Trel. Synonym L TRO
Piper brevesanum Yunck. Accepted M WCSP (in review)
Piper brevestrigillosum Trel. Accepted M TRO
Piper breviamentum C.DC. Unresolved L WCSP (in review)
Piper breviantherum C.DC. Unresolved L WCSP (in review)
Piper brevicaule C. DC. Synonym M TRO
Piper brevicuspe Merr. Unresolved L WCSP (in review)
Piper brevifollum C.DC. Unresolved L WCSP (in review)
Piper brevilimbum C.DC. Unresolved L WCSP (in review)
Piper brevipedicellatum Bornst. Unresolved L WCSP (in review)
Piper brevipedunculatum C.DC. Unresolved L WCSP (in review)
Piper brevipedunculum Trel. Synonym L TRO
Piper brevipes C.DC. Unresolved L WCSP (in review)
Piper brevispicatum Opiz Synonym L TRO
Piper brevispicum C. DC. Accepted M TRO
Piper brevistigmum C.DC. Unresolved L WCSP (in review)
Piper brevistipatum C.DC. Unresolved L WCSP (in review)
Piper brevistylum C. DC. Synonym M TRO
Piper brisasense Yunck. Unresolved L WCSP (in review)
Piper brittonorum Trel. Unresolved L WCSP (in review)
Piper broadwayi C.DC. Unresolved L WCSP (in review)
Piper brongniartii (Miq.) C. DC. Accepted L TRO
Piper brownsbergense Yunck. Unresolved L WCSP (in review)
Piper brujoense Trel. & Standl. Synonym M TRO
Piper bryogetum C. DC. Synonym M TRO
Piper buchii Urb. Unresolved L WCSP (in review)
Piper buchtienii C. DC. Synonym M TRO
Piper buchtienii var. charopampanum (C. DC.) Yunck. Synonym L TRO
Piper bullatifolium Sodiro Accepted M TRO
Piper bullatilimbum Pilg. Unresolved L WCSP (in review)
Piper bullatum C.DC. Unresolved L WCSP (in review)
Piper bullatum Vahl Unresolved L WCSP (in review)
Piper bullosum C. DC. Accepted M TRO
Piper bullulaefolium Trel. Synonym M TRO
Piper bullulatum M.A.Jaram. Unresolved L WCSP (in review)
Piper burenii C.DC. Unresolved L WCSP (in review)
Piper burkillii Ridl. Unresolved L WCSP (in review)
Piper buruanum Miq. Unresolved L WCSP (in review)
Piper cabadbaranum C.DC. Unresolved L WCSP (in review)
Piper cabagranum C. DC. Synonym M TRO
Piper cabaianum Trel. Unresolved L WCSP (in review)
Piper caballocochanum Trel. Accepted M TRO
Piper cabellense C.DC. Synonym M WCSP (in review)
Piper cabralanum C.DC. Unresolved L WCSP (in review)
Piper cachimboense Yunck. Unresolved L WCSP (in review)
Piper cacuminum C.DC. Unresolved L WCSP (in review)
Piper cadenaensis Tebbs Unresolved L TRO
Piper caducibracteum C.DC. Unresolved L WCSP (in review)
Piper caeruleifolium Trel. Synonym M TRO
Piper cagayanense C.DC. Unresolved L WCSP (in review)
Piper cahuapanasense Trel. Synonym L TRO
Piper cajamarcanum Yunck. Accepted M TRO
Piper cajambrense Trel. & Yunck. Unresolved L WCSP (in review)
Piper caladiifolium (Miq.) C. DC. Accepted L TRO
Piper calamistratum Trel. Accepted M TRO
Piper calanyanum Trel. & Yunck. Unresolved L WCSP (in review)
Piper calcaratum C. DC. Synonym M TRO
Piper calcariformis Tebbs Accepted M TRO
Piper calceolarium C. DC. Accepted M TRO
Piper calceolarium var. magnifolium (C. DC.) Trel. & Yunck. Synonym L TRO
Piper calceolatum C. DC. Synonym M TRO
Piper calceolatum var. magnifolium C. DC. Synonym L TRO
Piper calciseligens Trel. ex Stehlé Unresolved L WCSP (in review)
Piper caldasianum (Miq.) Yunck. Accepted L TRO
Piper caldense C. DC. Accepted M TRO
Piper caledonianum C. DC. Synonym M TRO
Piper caliendriferum Trel. Unresolved L WCSP (in review)
Piper californicum C. Presl ex Opiz Synonym L TRO
Piper callcanense Trel. Accepted M TRO
Piper callibracteum C. DC. Synonym M TRO
Piper callosum Ruiz & Pav. Accepted M TRO
Piper callosum var. franciscoanum C. DC. Synonym L TRO
Piper calocoma (Miq.) C. DC. Synonym L TRO
Piper calophyllum C.DC. Unresolved L WCSP (in review)
Piper calvescens Trel. Synonym L TRO
Piper calvescens var. aguanum Trel. Synonym L TRO
Piper calvescens var. cangrejalense Trel. Synonym L TRO
Piper calvescens var. pedunculatum Trel. Synonym L TRO
Piper calvescens var. potrerillosense Trel. Synonym L TRO
Piper calvescentinerve Trel. Accepted M TRO
Piper calvibaccum Trel. Accepted M TRO
Piper calvifolium C.DC. Unresolved L WCSP (in review)
Piper calvilimbum C.DC. Unresolved L WCSP (in review)
Piper calvirameum C. DC. Synonym M TRO
Piper cambessedesii (Miq.) C. DC. Accepted M TRO
Piper cambessedesii var. opulifolium (Miq.) C. DC. Accepted L TRO
Piper cambodianum C.DC. Unresolved L WCSP (in review)
Piper camiloi Trel. & Yunck. Accepted M TRO
Piper camiloi var. glabratum Yunck. Synonym L TRO
Piper campanum Yunck. Accepted M TRO
Piper camphoriferum C. DC. Accepted M TRO
Piper campii Yunck. Accepted M TRO
Piper camptostachys Urb. Unresolved L WCSP (in review)
Piper canaense Standl. Synonym M TRO
Piper canaliculatum Klotzsch ex Miq. Unresolved L WCSP (in review)
Piper canaliculatum Opiz Unresolved L WCSP (in review)
Piper canaliculum Tebbs Unresolved L WCSP (in review)
Piper canastrense E.F.Guim. & Carv.-Silva Unresolved L WCSP (in review)
Piper canavillosum Steyerm. Accepted M WCSP (in review)
Piper candelarianum C. DC. Synonym L TRO
Piper candelarianum var. latifolium C. DC. Synonym L TRO
Piper candelarianum var. pedroanum Trel. Synonym L TRO
Piper candelarianum var. sepium (C. DC.) Trel. Synonym L TRO
Piper candelarium C.DC. Unresolved L WCSP (in review)
Piper candelosum C.DC. Unresolved L WCSP (in review)
Piper candicans Sodiro Synonym M TRO
Piper candidum Blume Unresolved L WCSP (in review)
Piper candollei Sodiro Accepted M TRO
Piper canelosense Trel. & Yunck. Synonym M TRO
Piper canescenticaule Trel. Accepted M TRO
Piper canescenticaule var. canescenticaule Synonym L TRO
Piper canescenticaule var. expansum Trel. Synonym L TRO
Piper caninum Blume Accepted M WCSP (in review)
Piper canyazasense Trel. Synonym M TRO
Piper capacibracteum Trel. Synonym M TRO
Piper caparonum C. DC. Synonym M TRO
Piper capense L.f. Accepted M WCSP (in review)
Piper capillipes Trel. & Yunck. Accepted M TRO
Piper capillistipes Trel. Accepted M TRO
Piper capitarianum Yunck. Accepted M WCSP (in review)
Piper capitellatum C.DC. Unresolved L WCSP (in review)
Piper captum Trel. Synonym M TRO
Piper caquetanum Yunck. Unresolved L WCSP (in review)
Piper carabobense C.DC. Synonym M WCSP (in review)
Piper caracasanum Bredem. ex Link Accepted M WCSP (in review)
Piper caracasanum Opiz Synonym M TRO
Piper caracasanum var. firmius C.DC. Synonym L WCSP (in review)
Piper caracolanum C.DC. Unresolved L WCSP (in review)
Piper cararense Trel. & Yunck. Accepted M TRO
Piper carboneranum Yunck. Synonym M WCSP (in review)
Piper cardenasii Trel. Synonym M TRO
Piper cardiophyllum C.DC. Unresolved L WCSP (in review)
Piper caripense Kunth Synonym M WCSP (in review)
Piper carizalanum C.DC. Unresolved L WCSP (in review)
Piper carlosii Trel. & Yunck. Unresolved L WCSP (in review)
Piper carminis Trel. Synonym M TRO
Piper carnibracteum C.DC. Unresolved L WCSP (in review)
Piper carniconnectivum C.DC. Unresolved L WCSP (in review)
Piper carniovarium C.DC. Unresolved L WCSP (in review)
Piper carnistigmum C.DC. Unresolved L WCSP (in review)
Piper carnistilum C.DC. Unresolved L WCSP (in review)
Piper carnosicaule Trel. Synonym M TRO
Piper carolinanum Trel. Synonym M TRO
Piper carolinense Hosok. Unresolved L WCSP (in review)
Piper carpapatanum Trel. Synonym M TRO
Piper carpinifolium (C. Presl) C. DC. Accepted M TRO
Piper carpinteranum C. DC. Accepted M TRO
Piper carpunya Ruiz & Pav. Accepted M TRO
Piper carpupija Pers. Unresolved L WCSP (in review)
Piper carrapanum Trel. Accepted M TRO
Piper carrapanum var. lancifolium Trel. Synonym L TRO
Piper carrilloanum C.DC. Accepted M WCSP (in review)
Piper cartagoanum C. DC. Synonym M TRO
Piper casapiense (Miq.) C. DC. Accepted L TRO
Piper cascajalanum C. DC. Synonym M TRO
Piper cashmirianum Hemsl. Unresolved L WCSP (in review)
Piper casimirianum Hemsl. Synonym M TRO
Piper casitense Trel. Synonym M TRO
Piper cassinoides Opiz Accepted M TRO
Piper casteloense Yunck. Unresolved L WCSP (in review)
Piper castroanum Trel. & Yunck. Unresolved L WCSP (in review)
Piper catacryptum Trel. Synonym M TRO
Piper catalinianum Trel. Synonym M TRO
Piper catalpaefolium Kunth Synonym M TRO
Piper cataractarum Trel. Synonym M TRO
Piper cathayanum M.G. Gilbert & N.H. Xia Accepted L TRO
Piper cativalense Trel. Accepted M TRO
Piper catripense Yunck. Synonym L TRO
Piper catubigense Merr. Unresolved L WCSP (in review)
Piper catucheanum Trel. & Yunck. Synonym M TRO
Piper caucaense Yunck. Accepted M TRO
Piper caucasanum Bredemeyer Unresolved L TRO
Piper caudatifolium Trel. Synonym M TRO
Piper caudatum Vahl Synonym M WCSP (in review)
Piper caudefactum Trel. & Yunck. Synonym L TRO
Piper caudilimbum C.DC. Unresolved L WCSP (in review)
Piper cauranum Trel. ex Ll.Williams [Invalid] Synonym M WCSP (in review)
Piper cavalcantei Yunck. Unresolved L WCSP (in review)
Piper cavendishioides Trel. & Yunck. Accepted M TRO
Piper cayoense Trel. Synonym M TRO
Piper ceanothifolium Kunth Synonym L TRO
Piper ceibense C. DC. Synonym L TRO
Piper cejanum Trel. & Yunck. Unresolved L WCSP (in review)
Piper celatipetiolum Trel. Synonym M TRO
Piper celatipetiolum var. brenesii Trel. Synonym L TRO
Piper celebicum Blume Unresolved L WCSP (in review)
Piper celer Trel. Accepted M TRO
Piper celsum Trel. Accepted M TRO
Piper celtidifolium Kunth Synonym M WCSP (in review)
Piper celtidiforme Opiz Accepted M WCSP (in review)
Piper cenocladum C. DC. Accepted M TRO
Piper centroense Trel. & Yunck. Unresolved L WCSP (in review)
Piper ceramicum (Miq.) C. DC. Accepted L TRO
Piper cercidiphyllum Trel. Synonym M TRO
Piper cernuum Vell. Accepted M WCSP (in review)
Piper cernuum var. araguense (Trel. & Yunck.) Steyerm. Accepted L WCSP (in review)
Piper cernuum var. biformipilum Yunck. Synonym L TRO
Piper cernuum var. glabricaule Yunck. Synonym L TRO
Piper cernuum var. perlongispicum (Yunck.) Steyerm. Accepted L WCSP (in review)
Piper cerro-puntoense Trel. Synonym M TRO
Piper cerronianum Steyerm. Accepted M WCSP (in review)
Piper certeguiense Trel. & Yunck. Unresolved L WCSP (in review)
Piper ceylanicum C.DC. Unresolved L WCSP (in review)
Piper chaba Hunter Synonym L TRO
Piper chagresianum Trel. Synonym M TRO
Piper chairecoides C. DC. Unresolved L TRO
Piper chalhuapuquianum Trel. Accepted M TRO
Piper challuapuquianum Trel. Unresolved L WCSP (in review)
Piper chamissonis Steud. Accepted M TRO
Piper chamissonis (Miq.) Steud. ex C. DC. Unresolved L TRO
Piper chamissonis var. rubellibracteatum C. DC. Synonym L TRO
Piper chanchamayanum Trel. Accepted M TRO
Piper chandocanum C.DC. Unresolved L WCSP (in review)
Piper chanekii Trel. Synonym M TRO
Piper changuinolanum Trel. Accepted M TRO
Piper charopampanum C. DC. Synonym M TRO
Piper chaudocanum C. DC. Accepted M TRO
Piper chavicoide (Miq.) C. DC. Accepted L TRO
Piper chawya Buch.-Ham. Unresolved L WCSP (in review)
Piper chelseanum Roem. & Schult. Unresolved L WCSP (in review)
Piper cheyennense Trel. & Standl. Synonym M TRO
Piper chiadoense Yunck. Unresolved L WCSP (in review)
Piper chichankanabanum Trel. Synonym L TRO
Piper chilense C.DC. Unresolved L WCSP (in review)
Piper chimantanum Yunck. Synonym M WCSP (in review)
Piper chimborazoense Yunck. Accepted M TRO
Piper chimonanthifolium Kunth Unresolved L WCSP (in review)
Piper chinantlense M. Martens & Galeotti Accepted M TRO
Piper chinense Miq. Accepted M TRO
Piper chiquihuitense Trel. & Standl. Unresolved L WCSP (in review)
Piper chiriquinum C. DC. Synonym M TRO
Piper chirripoense C. DC. Synonym M TRO
Piper chlorocarpum C.DC. Unresolved L WCSP (in review)
Piper chlorostachyum C.DC. Unresolved L WCSP (in review)
Piper christyi C.DC. Unresolved L WCSP (in review)
Piper chromatolepis Trel. Accepted M TRO
Piper chrysolepidum Trel. Unresolved L WCSP (in review)
Piper chrysoneurum Trel. Accepted M TRO
Piper chrysostachyum C. DC. Accepted M TRO
Piper chuarense M.A.Jaram. & Callejas Unresolved L WCSP (in review)
Piper chumboense Yunck. Unresolved L WCSP (in review)
Piper churruyacoanum Trel. & Yunck. Unresolved L WCSP (in review)
Piper churumayu Ruiz & Pav. Accepted M TRO
Piper chuvya Miq. Unresolved L WCSP (in review)
Piper chuvya Hunter ex C.DC. Unresolved L WCSP (in review)
Piper cicatriculosum Trel. & Yunck. Unresolved L WCSP (in review)
Piper cihuatlanense Bornst. Unresolved L WCSP (in review)
Piper ciliaris C. DC. Unresolved L TRO
Piper ciliatifolium Trel. Synonym M TRO
Piper ciliatum (Kunth) Poir. Synonym M TRO
Piper cilibracteum C.DC. Unresolved L WCSP (in review)
Piper cililimbum Yunck. Accepted M WCSP (in review)
Piper ciliomarginatum Görts & Christenh. Unresolved L WCSP (in review)
Piper cincinnatum Trel. Synonym L TRO
Piper cinerascens C.DC. ex Micheli Unresolved L WCSP (in review)
Piper cinereocaule C.DC. Unresolved L WCSP (in review)
Piper cinereonervosum Trel. Synonym M TRO
Piper cinereoramulum Trel. Synonym M TRO
Piper cinereum C. DC. Accepted M TRO
Piper cingens C. DC. Accepted M TRO
Piper ciniflonis Trel. Accepted M TRO
Piper circinnatum (Link) Schult. Synonym M WCSP (in review)
Piper circulare Desf. ex C. DC. Synonym M TRO
Piper circumspectantis Trel. Synonym M TRO
Piper cirratum Trel. Accepted M TRO
Piper cisnerosense Trel. & Yunck. Unresolved L WCSP (in review)
Piper cispontinum Trel. Accepted M TRO
Piper citrifolium Lam. Synonym M TRO
Piper citrifolium var. cookii C. DC. Synonym L TRO
Piper citrifolium var. panamense (C. DC.) C. DC. Synonym L TRO
Piper citrifolium var. parkerianum (Miq.) Trel. & Yunck. Synonym L WCSP (in review)
Piper clarkei C.DC. Unresolved L WCSP (in review)
Piper clathratum C. DC. Accepted M TRO
Piper claudicans Trel. Synonym M TRO
Piper claudii C. DC. Accepted M TRO
Piper claussenianum (Miq.) C. DC. Accepted L TRO
Piper clavibracteum C.DC. Unresolved L WCSP (in review)
Piper clavuliger Trel. Synonym L TRO
Piper clavuligerum Trel. Unresolved L WCSP (in review)
Piper clavulispicum Trel. Synonym M TRO
Piper clemensiae C.DC. Unresolved L WCSP (in review)
Piper clementis León Unresolved L WCSP (in review)
Piper clethristachyum Rich. Synonym M TRO
Piper clivicola Standl. & L.O. Williams Synonym M TRO
Piper clusii (Miq.) C. DC. Accepted L TRO
Piper clusiifolium Jacq. Synonym M TRO
Piper clypeatum Wall. Unresolved L WCSP (in review)
Piper coactaepilum Trel. Synonym M TRO
Piper coactile Ridl. Unresolved L WCSP (in review)
Piper coactoris Trel. Synonym M TRO
Piper coarctatum Trel. Synonym M TRO
Piper coariense Yunck. Unresolved L WCSP (in review)
Piper cobanense Trel. Synonym L TRO
Piper cobanense var. sarculatum Trel. Synonym L TRO
Piper cobarianum Trel. & Yunck. Unresolved L WCSP (in review)
Piper coccoloboides Kunth Synonym M TRO
Piper coccoloboides (Kunth) Kunth ex C. DC. Accepted M TRO
Piper cocherense Trel. Synonym M TRO
Piper cochleatum Sodiro Synonym M TRO
Piper cocornanum Trel. & Yunck. Unresolved L WCSP (in review)
Piper cocquericotense Trel. Synonym M TRO
Piper coeloneurum Diels Accepted M TRO
Piper cogolloi Callejas Unresolved L TRO
Piper coilostachyum C. DC. Accepted M TRO
Piper cojimaranum Trel. Unresolved L WCSP (in review)
Piper colaphitolerans Trel. Synonym M TRO
Piper colemanense Trel. Synonym M TRO
Piper colipanum C. DC. Accepted M TRO
Piper colligatispicum Trel. & Yunck. Unresolved L WCSP (in review)
Piper collinum C.DC. Unresolved L WCSP (in review)
Piper collinum var. flagellicuspe Trel. Synonym L TRO
Piper colombianum C. DC. Synonym M TRO
Piper colon-insulae Trel. Accepted M TRO
Piper colonense C. DC. Accepted M TRO
Piper colonum C.Presl Unresolved L WCSP (in review)
Piper coloratum (Kunth) Poir. Synonym M TRO
Piper colotlipanense Bornst. Unresolved L WCSP (in review)
Piper colubrinum Link Synonym L WCSP (in review)
Piper colubrinum (Link ex Kunth) Link ex C. DC. Synonym L TRO
Piper colubrinum var. adenophyllum (Miq.) C. DC. Synonym L TRO
Piper comasense Trel. Accepted M TRO
Piper comatum Trel. Synonym M TRO
Piper comayaguanum Trel. ex Yunck. Synonym L TRO
Piper commutatum Steud. Accepted M TRO
Piper compactum Trel. Synonym L TRO
Piper comptonii S.Moore Unresolved L WCSP (in review)
Piper concavum (Ruiz & Pav.) Vahl Synonym M TRO
Piper concepcionis Trel. Synonym M TRO
Piper conceptum Trel. Synonym M TRO
Piper concinnatoris Yunck. Synonym L TRO
Piper concinnifolium Trel. Synonym M TRO
Piper concinnum Haw. Synonym M TRO
Piper concinnum (Miq.) C. DC. Synonym L TRO
Piper concinnum var. trinitense C. DC. Synonym L TRO
Piper concretiflorum C. DC. Accepted M TRO
Piper conditum Trel. Accepted M TRO
Piper condotoense Trel. & Yunck. Unresolved L WCSP (in review)
Piper conejoense Trel. & Yunck. Synonym M TRO
Piper confertinodum (Trel. & Yunck.) M.A. Jaram. & Callejas Accepted M TRO
Piper confertinodum (Trel. & Yunck.) Tebbs Synonym M TRO
Piper confusionis Trel. Synonym M TRO
Piper confusum C.DC. Unresolved L WCSP (in review)
Piper congestum Poir. Unresolved L WCSP (in review)
Piper conibaccum C.DC. Unresolved L WCSP (in review)
Piper conispicum Trel. Accepted M TRO
Piper conjugatum Poir. Unresolved L WCSP (in review)
Piper conquistanum Yunck. Unresolved L WCSP (in review)
Piper consanguineum (Kunth) Steud. Accepted M WCSP (in review)
Piper consanguineum (Kunth) Trel. & Yunck. Synonym M TRO
Piper consanguineum Kunth Unresolved L TRO
Piper consanguineum (Kunth) Kunth ex C. DC. Synonym M TRO
Piper conscendens Trel. Synonym M TRO
Piper consociatum C.DC. Unresolved L WCSP (in review)
Piper constanzanum Urb. Unresolved L WCSP (in review)
Piper constipatispicum Trel. Accepted M TRO
Piper constipatispicum var. constipatispicum Synonym L TRO
Piper constipatispicum var. lanosum Trel. Synonym L TRO
Piper constipatispicum var. tonsum Trel. Synonym L TRO
Piper contamanum Trel. Synonym M TRO
Piper controversum Steud. Accepted M TRO
Piper convallariodorum C. DC. Synonym M TRO
Piper conversum Trel. Synonym L TRO
Piper convexum Blume Unresolved L WCSP (in review)
Piper cookii Trel. Synonym M TRO
Piper cooperi Yunck. Synonym M TRO
Piper copacabanense Trel. Synonym M TRO
Piper copelandii C.DC. Unresolved L WCSP (in review)
Piper copeyanum (C. DC.) Trel. Synonym M TRO
Piper coralfalgense C.DC. Unresolved L WCSP (in review)
Piper corcovadense C.DC. Unresolved L WCSP (in review)
Piper corcovadensis (Miq.) C. DC. Accepted M TRO
Piper cordatilimbum Quisumb. Unresolved L WCSP (in review)
Piper cordatum C. DC. Accepted M TRO
Piper cordifolium Sw. Unresolved L WCSP (in review)
Piper cordifolium Sessé & Moc. Unresolved L WCSP (in review)
Piper cordiforme Steyerm. Accepted M WCSP (in review)
Piper cordilimbum C. DC. Accepted M TRO
Piper cordillerianum C. DC. Accepted M TRO
Piper cordoncillo Trel. Unresolved L WCSP (in review)
Piper cordovanum C. DC. Accepted M TRO
Piper cordulatum C. DC. Accepted L TRO
Piper cordulatum var. granulatum Trel. Synonym L TRO
Piper coriaceilimbum C.DC. Unresolved L WCSP (in review)
Piper coriaceum Vahl Unresolved L WCSP (in review)
Piper corintoananum Yunck. Accepted M WCSP (in review)
Piper corintoanum Yunck. Unresolved L TRO
Piper cornifolium Kunth Accepted M TRO
Piper cornilimbum C.DC. Unresolved L WCSP (in review)
Piper coronatibracteum Trel. Synonym M TRO
Piper corozalanum Trel. Synonym M TRO
Piper corpulentispicum Trel. & Yunck. Unresolved L WCSP (in review)
Piper correptum Trel. Synonym M TRO
Piper corrugatum Kuntze Accepted M TRO
Piper cortescabrum Trel. Unresolved L WCSP (in review)
Piper coruscans Kunth Accepted M WCSP (in review)
Piper coruscans var. membranaceum (C.DC.) Steyerm. Synonym L WCSP (in review)
Piper corylifolium Kunth Synonym M TRO
Piper corylistachyon (Miq.) C. DC. Accepted L TRO
Piper corylistachyopse Trel. Unresolved L TRO
Piper costaricense C. DC. Synonym M TRO
Piper costatum C. DC. Accepted M TRO
Piper costulatum C.DC. Unresolved L WCSP (in review)
Piper cowanii (Yunck.) Yunck. Accepted M TRO
Piper coyolesense Trel. Synonym M TRO
Piper crassamentum Trel. Synonym M TRO
Piper crassicaule Trel. Synonym M TRO
Piper crassifolium (Miq.) C. DC. Synonym L TRO
Piper crassilimbum C.DC. Unresolved L WCSP (in review)
Piper crassinervium Kunth Accepted M WCSP (in review)
Piper crassinervium var. crassinervium Accepted L TRO
Piper crassinervium var. hartwegianum C. DC. Synonym L TRO
Piper crassinervium var. tocotanum (C.DC.) Yunck. Synonym L WCSP (in review)
Piper crassinodum C.DC. Unresolved L WCSP (in review)
Piper crassipedunculum Yunck. Unresolved L WCSP (in review)
Piper crassipes Korth. ex C.DC. Unresolved L WCSP (in review)
Piper crassispicatum Opiz Accepted M TRO
Piper crassistilum Yunck. Accepted M WCSP (in review)
Piper crassistipes C.DC. Unresolved L WCSP (in review)
Piper crassum Vell. [Illegitimate] Synonym L WCSP (in review)
Piper crebrinerve Willd. ex Link Unresolved L WCSP (in review)
Piper crebrinode Willd. ex Kunth Synonym M TRO
Piper crebrinodum C.DC. Accepted M WCSP (in review)
Piper crenatifolium Trel. & Yunck. Unresolved L WCSP (in review)
Piper crenulatibracteum C.DC. Unresolved L WCSP (in review)
Piper crenulatum Steyerm. Accepted M WCSP (in review)
Piper cricamolense Trel. Synonym M TRO
Piper criniovarium Yunck. Unresolved L WCSP (in review)
Piper crispans Trel. Synonym M TRO
Piper crispatimargine Trel. Synonym M TRO
Piper cristalinanum Trel. & Yunck. Synonym M TRO
Piper cristicola Trel. ex Yunck. Synonym L TRO
Piper cristinanum Trel. & Standl. Unresolved L WCSP (in review)
Piper crocatum Ruiz & Pav. Accepted M TRO
Piper cryptocarpum Trel. & Yunck. Synonym M TRO
Piper cryptopodon C. DC. Accepted M TRO
Piper crystallinum Vahl Synonym M TRO
Piper cuasianum Standl. Synonym M TRO
Piper cuatrecasasii Trel. Synonym M TRO
Piper cubataonum C.DC. Unresolved L WCSP (in review)
Piper cubeba Bojer Unresolved L WCSP (in review)
Piper cubeba L.f. Unresolved L WCSP (in review)
Piper cubeba Vahl Unresolved L WCSP (in review)
Piper cubense C.DC. Unresolved L WCSP (in review)
Piper cubilquitzianum C. DC. Synonym L TRO
Piper cuernavacanum C. DC. Synonym M TRO
Piper cufodontii Trel. Synonym M TRO
Piper cujabanum Silva Manso ex Miq. Unresolved L WCSP (in review)
Piper culebranum C. DC. Synonym M TRO
Piper cumanense Kunth Accepted M WCSP (in review)
Piper cumaralense C.DC. Accepted M WCSP (in review)
Piper cumbasonum C. DC. Accepted M TRO
Piper cumbotianum C.DC. Accepted M WCSP (in review)
Piper cumbricola Trel. Synonym M TRO
Piper cumbricola var. montevagum Trel. Synonym L TRO
Piper cumingianum Miq. Unresolved L WCSP (in review)
Piper cundinamarcanum Trel. [Invalid] Synonym L WCSP (in review)
Piper cuneifolium Jacq. Synonym M TRO
Piper cuniculorum Trel. & Yunck. Accepted M TRO
Piper cunninghamii Yunck. Unresolved L WCSP (in review)
Piper cupreatum Trel. Unresolved L WCSP (in review)
Piper curridabatanum Trel. Synonym M TRO
Piper curtipedunculum C. DC. Synonym M TRO
Piper curtipetiolum C.DC. Unresolved L WCSP (in review)
Piper curtirachis W.C. Burger Accepted M TRO
Piper curtisii C.DC. Unresolved L WCSP (in review)
Piper curtispicum C. DC. Accepted M TRO
Piper curtistipes C.DC. Unresolved L WCSP (in review)
Piper curumaya D.Dietr. Unresolved L WCSP (in review)
Piper curvamentum Ruiz & Pav. Unresolved L TRO
Piper curvatipes Trel. Unresolved L WCSP (in review)
Piper curvatum Ruiz & Pav. Accepted M TRO
Piper curvinervium Callejas & Betancur Unresolved L WCSP (in review)
Piper curvipilum Trel. Unresolved L WCSP (in review)
Piper cuspidatispicum Trel. Unresolved L TRO
Piper cuspidatum Ham. Unresolved L WCSP (in review)
Piper cuspidibracteatum Yunck. Unresolved L WCSP (in review)
Piper cuspidilimbum C. DC. Accepted M TRO
Piper cuspidispicum Trel. Accepted M TRO
Piper cutucuense Yunck. Accepted M TRO
Piper cuyabanum C.DC. Unresolved L WCSP (in review)
Piper cuyunianum Steyerm. Accepted M WCSP (in review)
Piper cyanophyllum Trel. Synonym L TRO
Piper cyclophyllum Trel. Synonym M TRO
Piper cyclopllyllum Trel. Unresolved L WCSP (in review)
Piper cyphophyllopse Trel. & Yunck. Accepted M TRO
Piper cyphophyllum C. DC. Synonym M TRO
Piper cyprium Trel. & Yunck. Unresolved L WCSP (in review)
Piper cyrtopodon C. DC. Accepted M TRO
Piper cyrtopodum (Miq.) C.DC. Unresolved L WCSP (in review)
Piper cyrtostachys Ridl. Unresolved L WCSP (in review)
Piper dactylostigmum Yunck. Unresolved L WCSP (in review)
Piper daedalum Trel. Accepted M TRO
Piper dagamiense C.DC. Unresolved L WCSP (in review)
Piper dagatpanum C.DC. Unresolved L WCSP (in review)
Piper daguanum C. DC. Accepted M TRO
Piper damazii C.DC. Unresolved L WCSP (in review)
Piper damiaoshanense Y.Q. Tseng Accepted M TRO
Piper daniel-gonzalezii Trel. Unresolved L WCSP (in review)
Piper darienense C.DC. Accepted M WCSP (in review)
Piper darienense var. tricuspe (Miq.) Trel. Synonym L TRO
Piper dariense C. DC. Synonym M TRO
Piper dasyoura (Miq.) C. DC. Accepted L TRO
Piper dasypodum (Miq.) C. DC. Accepted L TRO
Piper dasypogon C. DC. Synonym M TRO
Piper davaoense C.DC. Unresolved L WCSP (in review)
Piper davidianum C. DC. Synonym M TRO
Piper davidsonii Yunck. Accepted M TRO
Piper dawsonii Trel. Synonym M TRO
Piper deamii Trel. Unresolved L WCSP (in review)
Piper deamii var. yojoanum Trel. Synonym L TRO
Piper debile C. DC. Synonym M TRO
Piper debilicaule Trel. & Yunck. Synonym M TRO
Piper decipiens (Miq.) C. DC. Accepted L TRO
Piper decorticans Trel. & Yunck. Synonym L TRO
Piper decrescens (Miq.) C. DC. Synonym L TRO
Piper decrescens var. ovatum C. DC. Synonym L TRO
Piper decumanum Aubl. Synonym M TRO
Piper decurrens C. DC. Accepted M TRO
Piper dedititium Trel. Synonym M TRO
Piper deductum Trel. Accepted M TRO
Piper deflexispicum Trel. Synonym M TRO
Piper degeneri A.C.Sm. Unresolved L WCSP (in review)
Piper dekkoanum C.DC. Unresolved L WCSP (in review)
Piper delatum Trel. Synonym M TRO
Piper delectans Trel. Synonym L TRO
Piper delicatum C.DC. Unresolved L WCSP (in review)
Piper deliciasanum Steyerm. Accepted M WCSP (in review)
Piper delineatum Trel. Accepted M TRO
Piper deltoideocarpum Trel. Synonym M TRO
Piper deltoideum Colla Unresolved L WCSP (in review)
Piper demeraranum (Miq.) C.DC. Accepted M WCSP (in review)
Piper demeraranum var. rubescens (C.DC.) Trel. & Yunck. Synonym L WCSP (in review)
Piper demeusii C.DC. Unresolved L WCSP (in review)
Piper deminutum Yunck. Synonym M WCSP (in review)
Piper demonatum Trel. Unresolved L TRO
Piper demoratum Trel. Accepted M TRO
Piper dempoanum C.DC. Unresolved L WCSP (in review)
Piper dendrophilum D.Dietr. Unresolved L WCSP (in review)
Piper dendropse Trel. Synonym M TRO
Piper dennisii Trel. Accepted M TRO
Piper densibaccum C.DC. Unresolved L WCSP (in review)
Piper densiciliatum Yunck. Accepted M TRO
Piper densispicatum Steud. Synonym L TRO
Piper densum Blume Synonym M TRO
Piper denudans (Miq.) C. DC. Synonym M TRO
Piper denudans var. angustifolium C. DC. Synonym L TRO
Piper denudatum Opiz Unresolved L WCSP (in review)
Piper dependens (Ruiz & Pav.) Vahl Synonym M TRO
Piper deppeanum (Schltdl. & Cham.) D. Dietr. Accepted M TRO
Piper depressibaccum Trel. Unresolved L WCSP (in review)
Piper descourtilsianum C. DC. Accepted M TRO
Piper desultorium Trel. Accepted M TRO
Piper detonsum Trel. Synonym M TRO
Piper diandrum C. DC. Synonym L TRO
Piper diazanum Trel. Synonym M TRO
Piper diazanum var. viae-kobeanae Trel. Synonym L TRO
Piper dichotomum Ruiz & Pav. Accepted M TRO
Piper dichroostachyum Trel. & Yunck. Unresolved L WCSP (in review)
Piper diffamatum Trel. & Yunck. Accepted M WCSP (in review)
Piper diffundum Yunck. Accepted M TRO
Piper diffusum Blume ex Miq. Unresolved L WCSP (in review)
Piper diffusum Vahl Unresolved L WCSP (in review)
Piper diguaense Yunck. Unresolved L WCSP (in review)
Piper diguetianum Trel. Synonym M TRO
Piper diguetii C.DC. Unresolved L WCSP (in review)
Piper dilabrens Trel. Synonym M TRO
Piper dilatatifolium Trel. & Yunck. Synonym M WCSP (in review)
Piper dilatatum Rich. Accepted M WCSP (in review)
Piper dilatatum var. acutifolium C. DC. Synonym L TRO
Piper dilatatum f. dilatatifolium (Trel. & Yunck.) Steyerm. Synonym L TRO
Piper dilatatum f. dilatatum Accepted L TRO
Piper dilatatum f. guayranum Steyerm. Accepted L TRO
Piper dilatatum var. leptocladum (C. DC.) C. DC. Synonym L TRO
Piper dilatatum var. pubescens C. DC. Synonym L TRO
Piper dimetrale C. DC. Accepted M TRO
Piper dimidiatum (C. Presl) C. DC. Synonym M TRO
Piper dimorphophyllum Trel. Synonym M TRO
Piper dimorphotrichum Yunck. Synonym M TRO
Piper dindingsianum C.DC. Unresolved L WCSP (in review)
Piper diospyrifolium (Kunth) Kunth ex C. DC. Accepted M TRO
Piper diospyrifolium Kunth Unresolved L TRO
Piper dipterocarpinum C.DC. Unresolved L WCSP (in review)
Piper diquisanum C. DC. Synonym M TRO
Piper discolor Trel. Synonym M TRO
Piper discolorum Desf. Unresolved L WCSP (in review)
Piper discophorum C. DC. Synonym L TRO
Piper discriminatum Trel. & Yunck. Unresolved L WCSP (in review)
Piper disjunctum C. DC. Accepted M TRO
Piper dispansum Trel. Synonym M TRO
Piper disparifolium Trel. Synonym M TRO
Piper disparipes Trel. Synonym M TRO
Piper disparipilum C. DC. Accepted M TRO
Piper disparispicum Trel. Synonym M TRO
Piper dissimile (Kunth) Poir. Synonym M TRO
Piper dissimulans Trel. Synonym L TRO
Piper distachyon L. Synonym M WCSP (in review)
Piper distichum Trel. & Yunck. Unresolved L WCSP (in review)
Piper distigmatum Yunck. Accepted M TRO
Piper divaricatiranum C.DC. Unresolved L WCSP (in review)
Piper divaricatum G.Mey. Accepted L WCSP (in review)
Piper divergens (C. Presl) C. DC. Accepted L TRO
Piper diversifolium (Kunth) Poir. Accepted M TRO
Piper diversipilum Trel. Accepted M TRO
Piper divisurae Trel. Unresolved L TRO
Piper divortans Trel. & Yunck. Unresolved L WCSP (in review)
Piper divulgatum Trel. & Yunck. Accepted M WCSP (in review)
Piper djabia C.DC. Unresolved L WCSP (in review)
Piper dodsonii Yunck. Accepted M TRO
Piper dogotense C. DC. Accepted M TRO
Piper dolabriforme (Kunth) Poir. Synonym M TRO
Piper dolichostachyum M.G. Gilbert & N.H. Xia Accepted M TRO
Piper dolichostylum Callejas & Betancur Unresolved L WCSP (in review)
Piper dolichotrichum Yunck. Accepted M TRO
Piper dombeyanum (Miq.) C. DC. Synonym M TRO
Piper dominantinervium Chaveer. & Mokkamul Unresolved L WCSP (in review)
Piper domingense C. DC. Synonym M TRO
Piper dominicanum C.DC. Unresolved L WCSP (in review)
Piper donnell-smithii C. DC. Synonym M TRO
Piper dotanum Trel. Accepted M TRO
Piper dryadum C. DC. Accepted M TRO
Piper dubium A.Dietr. Unresolved L WCSP (in review)
Piper dubium Miq. Unresolved L WCSP (in review)
Piper duchassaingii C. DC. Synonym L TRO
Piper ducis Trel. Synonym M TRO
Piper duckii C.DC. Unresolved L WCSP (in review)
Piper duidaense Trel. Synonym M WCSP (in review)
Piper duidaense var. eciliatum Trel. & Yunck. Synonym L WCSP (in review)
Piper dukei Yunck. Accepted M TRO
Piper dulce Trel. Accepted M TRO
Piper dumeticola C. DC. Synonym M TRO
Piper dumeticola var. panamense C. DC. Synonym L TRO
Piper dumetorum C. DC. Synonym M TRO
Piper dumiformans C.DC. Unresolved L WCSP (in review)
Piper dumosum Rudge Accepted L TRO
Piper dunlapii Trel. Synonym M TRO
Piper dunstervilleorum Steyerm. Accepted M WCSP (in review)
Piper dupasquieri C. DC. Synonym M TRO
Piper durilignum C.DC. Unresolved L WCSP (in review)
Piper durilimbum C.DC. Unresolved L WCSP (in review)
Piper durirameum C. DC. Synonym M TRO
Piper durvilleanum Trel. Accepted M TRO
Piper dussii C.DC. Unresolved L WCSP (in review)
Piper dussii f. scabridum (DC.) Stehlé Unresolved L TRO
Piper dussii var. scabridum DC. Synonym L TRO
Piper ecallosum Trel. Accepted M TRO
Piper echeverrianum Trel. Synonym M TRO
Piper echinocaule Yunck. Accepted M TRO
Piper echinovarium Yunck. Unresolved L WCSP (in review)
Piper ecuadorense Sodiro Accepted M TRO
Piper edurum Trel. Accepted M TRO
Piper edwallii Yunck. Unresolved L WCSP (in review)
Piper egense C.DC. Unresolved L WCSP (in review)
Piper eggersii C.DC. Unresolved L WCSP (in review)
Piper eglandulosum Trel. Synonym M TRO
Piper ejuncidum Trel. Synonym M TRO
Piper el-bancoanum Trel. & Yunck. Accepted M WCSP (in review)
Piper el-caranyanum Trel. & Yunck. Unresolved L WCSP (in review)
Piper el-metanum Trel. & Yunck. Synonym L TRO
Piper el-muletonum C. DC. ex Schröd. Synonym M TRO
Piper el-paramoense Yunck. Accepted M WCSP (in review)
Piper elasmophyllum Trel. Synonym M TRO
Piper elatostema Hallier f. Unresolved L WCSP (in review)
Piper elbertii C.DC. Unresolved L WCSP (in review)
Piper eldoradens Trel. Synonym M TRO
Piper ellipticibaccum C.DC. Unresolved L WCSP (in review)
Piper ellipticifolium Yunck. Unresolved L WCSP (in review)
Piper elliptico-lanceolatum (C. DC.) Trel. Synonym M TRO
Piper elliptico-oblongifolium Trel. Synonym M TRO
Piper ellipticum Hook. & Arn. Synonym M TRO
Piper ellipticum Lam. Synonym M TRO
Piper elmeri Merr. Unresolved L WCSP (in review)
Piper elongatifolium Trel. Synonym M TRO
Piper elongatum Vahl Synonym M WCSP (in review)
Piper elongatum (Kunth) Poir. [Illegitimate] Synonym M WCSP (in review)
Piper elongatum var. brachyarthrum Trel. Synonym L WCSP (in review)
Piper elongatum var. cordulatum (C.DC.) C.DC. Synonym L WCSP (in review)
Piper elongatum var. elongatum Synonym L TRO
Piper elongatum var. laevifolium (C. DC.) Trel. Synonym L TRO
Piper elongatum var. ossanum (C. DC.) C. DC. Unresolved L TRO
Piper elongatum var. pampayacusum Trel. Synonym L TRO
Piper elongatum var. salviaefolium (Miq.) Trel. Unresolved L TRO
Piper emancipationis Trel. Synonym M TRO
Piper emancipationis var. longum Trel. Synonym L TRO
Piper emarginatum (Ruiz & Pav.) Vahl Synonym M WCSP (in review)
Piper emarginellum Sw. ex Wikstr. Synonym M WCSP (in review)
Piper emeiense Y.Q. Tseng Synonym L TRO
Piper emirnense Baker Synonym M TRO
Piper emmerichianum Yunck. Accepted M WCSP (in review)
Piper emollitum Trel. Synonym M TRO
Piper emygdioi Yunck. Accepted M WCSP (in review)
Piper enckea C. DC. Synonym M TRO
Piper enckeaespicum (Trel. & Yunck.) Callejas Accepted M TRO
Piper endlicherianum Trel. Accepted M TRO
Piper enenyasense Trel. Accepted M TRO
Piper enganyanum Trel. & Yunck. Accepted M TRO
Piper ensifolium Quisumb. Unresolved L WCSP (in review)
Piper entradense Trel. & Yunck. Accepted M TRO
Piper eocenicum Trel. Unresolved L WCSP (in review)
Piper epigynium C. DC. Accepted M TRO
Piper epilosipes Trel. Synonym M TRO
Piper epilosipes var. heterophyllum Trel. Synonym L TRO
Piper epunctatum Trel. Accepted M TRO
Piper epunctulatum C. DC. Synonym M TRO
Piper erectamentum C. DC. Synonym M TRO
Piper erecticaule C.DC. Unresolved L WCSP (in review)
Piper erectipilum Yunck. Unresolved L WCSP (in review)
Piper erectum Lam. ex Trel. Unresolved L WCSP (in review)
Piper erectum C.DC. Unresolved L WCSP (in review)
Piper eriocladum Sodiro Accepted M TRO
Piper eriopodon (Miq.) C.DC. Accepted M WCSP (in review)
Piper erubescentispicum Trel. Accepted M TRO
Piper erythrostachyum C.DC. Unresolved L WCSP (in review)
Piper erythroxyloides R.E.Schult. & García-Barr. Unresolved L WCSP (in review)
Piper escaleranum C. DC. Accepted M TRO
Piper escasuense Trel. Synonym M TRO
Piper escuadranum Trel. Synonym L TRO
Piper esculentum Farw. Unresolved L WCSP (in review)
Piper esmeraldanum Trel. Synonym M WCSP (in review)
Piper espejuelanum C. DC. Synonym M TRO
Piper esperancanum Yunck. Synonym L TRO
Piper esquivelanum Trel. Synonym M TRO
Piper estrellense C.DC. Unresolved L WCSP (in review)
Piper estrellense var. pilosius (Miq.) C. DC. Unresolved L TRO
Piper eucalyptifolium Rudge Accepted L TRO
Piper eucalyptiphyllum C.DC. Unresolved L WCSP (in review)
Piper eucalyptolimbum C.DC. Unresolved L WCSP (in review)
Piper eupodum C.DC. Unresolved L WCSP (in review)
Piper euryphyllum C. DC. Synonym M TRO
Piper eustylum Diels Accepted M TRO
Piper evasum Trel. Synonym L TRO
Piper evingeri Yunck. Accepted M TRO
Piper evonymifolium Kunth Unresolved L WCSP (in review)
Piper evulsipilosum Trel. Synonym M TRO
Piper ewanii Yunck. Unresolved L WCSP (in review)
Piper exactum Trel. & Standl. Unresolved L WCSP (in review)
Piper exasperatum Vahl Unresolved L WCSP (in review)
Piper excavatum Ruiz & Pav. Accepted M TRO
Piper excelsum G.Forst. Unresolved L WCSP (in review)
Piper excelsum var. psittacorum (Endl.) C. DC. Unresolved L TRO
Piper excessum Trel. Accepted M TRO
Piper excultum Trel. Synonym M TRO
Piper exigens Trel. Synonym M TRO
Piper exigens var. subovatum Trel. Synonym L TRO
Piper exiguicaule Yunck. Accepted M TRO
Piper exiguispicum Trel. Synonym M TRO
Piper exiguum Blume Synonym M TRO
Piper eximium Kunth Synonym M WCSP (in review)
Piper expolitum Trel. Accepted M TRO
Piper exsectum Mart. Unresolved L WCSP (in review)
Piper exserens (Miq.) C.DC. Synonym M WCSP (in review)
Piper exserens var. mirafloresanum C. DC. Synonym L TRO
Piper exserens var. tocotanum C.DC. Synonym L WCSP (in review)
Piper extensum Roem. & Schult. Synonym M WCSP (in review)
Piper externum Trel. Accepted M TRO
Piper factum Trel. Accepted M TRO
Piper fadyenii C.DC. Unresolved L WCSP (in review)
Piper faecatum Trel. Accepted M TRO
Piper fagerlindii Yunck. Synonym M TRO
Piper fagifolium Trel. Accepted M TRO
Piper fagopyricarpum Trel. Synonym M TRO
Piper falanense Trel. & Yunck. Accepted M TRO
Piper falcatum A. Dietr. Synonym M TRO
Piper falcifolium Trel. Synonym M WCSP (in review)
Piper falcigerum Trel. Synonym M TRO
Piper falcispicum Yunck. Accepted M TRO
Piper falconeri C.DC. Unresolved L WCSP (in review)
Piper falculispicum Trel. & Yunck. Accepted M TRO
Piper falculispicum var. cocanum Trel. Synonym L TRO
Piper fallax Vahl Unresolved L WCSP (in review)
Piper fallenii A.H. Gentry Accepted M TRO
Piper fallens Trel. Unresolved L WCSP (in review)
Piper famechonii Heckel ex C.DC. Unresolved L WCSP (in review)
Piper fanshawei Yunck. Unresolved L WCSP (in review)
Piper fasciculare Rudge Synonym M TRO
Piper fasciculatum Rudge Synonym M TRO
Piper fastiditum Trel. & Yunck. Unresolved L WCSP (in review)
Piper fatoanum C. DC. Synonym M TRO
Piper faviculiferum Trel. Synonym M TRO
Piper febrifugum C.DC. Unresolved L WCSP (in review)
Piper felipense Trel. Unresolved L TRO
Piper fendlerianum C.DC. Synonym M WCSP (in review)
Piper fenianum Trel. Unresolved L WCSP (in review)
Piper fenixii C.DC. Unresolved L WCSP (in review)
Piper fernandezianum Bertero ex Steud. Unresolved L WCSP (in review)
Piper ferreyrae Yunck. Accepted M TRO
Piper ferriei C.DC. Unresolved L WCSP (in review)
Piper ferruginispicum Trel. Synonym M TRO
Piper figlinum Trel. Synonym M TRO
Piper filiforme Sw. Synonym M WCSP (in review)
Piper filipedunculum C.DC. Unresolved L WCSP (in review)
Piper filipes C.DC. Unresolved L WCSP (in review)
Piper filistilum C. DC. Accepted M TRO
Piper filistilum var. obovatum Sodiro Synonym L TRO
Piper fimbriulatum C. DC. Accepted M TRO
Piper finlaysonianum Wall. Unresolved L WCSP (in review)
Piper firmifolium Trel. Synonym M TRO
Piper firmolimbum C.DC. Unresolved L WCSP (in review)
Piper firmum (Miq.) C. DC. Accepted M TRO
Piper fischerianum C.DC. Unresolved L WCSP (in review)
Piper fistulosum C. DC. Synonym M TRO
Piper flabellinerve C. DC. Synonym M TRO
Piper flagellare Kunth Synonym L WCSP (in review)
Piper flagellare Mart. Synonym L TRO
Piper flagellicuspe Trel. & Yunck. Accepted M TRO
Piper flagelliforme Yamam. Synonym M TRO
Piper flavescens (C. DC.) Trel. Synonym M TRO
Piper flavibaccum C.DC. Unresolved L WCSP (in review)
Piper flavicans C.DC. Unresolved L WCSP (in review)
Piper flavidum C. DC. Accepted M TRO
Piper flaviflorum C. DC. Accepted M TRO
Piper flavifructum Trel. Unresolved L WCSP (in review)
Piper flavimarginatum C.DC. Unresolved L WCSP (in review)
Piper flavirameum C. DC. Synonym M TRO
Piper flavirameum var. obscurum Trel. Synonym L TRO
Piper flavispicum C.DC. Unresolved L WCSP (in review)
Piper flavoviride C.DC. Accepted M WCSP (in review)
Piper flexicaule C. DC. Accepted M TRO
Piper flexuosum J.Jacq. [Illegitimate] Synonym M WCSP (in review)
Piper flexuosum Rudge Synonym M TRO
Piper flongatum Vahl Accepted M TRO
Piper florencianum Trel. & Yunck. Synonym M TRO
Piper fluminense C. DC. Accepted M TRO
Piper fluvii-initii Trel. Synonym M TRO
Piper fockei Trel. & Yunck. Accepted M TRO
Piper foetidum Noronha Unresolved L WCSP (in review)
Piper foliiflorum (Ruiz & Pav.) Vahl Synonym M TRO
Piper foliosum (Kunth) Poir. Synonym M TRO
Piper fontanesianum Heynh. Unresolved L WCSP (in review)
Piper fonteboanum Yunck. Synonym L TRO
Piper fontinale Roem. & Schult. Unresolved L WCSP (in review)
Piper fontium Trel. Unresolved L WCSP (in review)
Piper foreroi A.H.Gentry Unresolved L WCSP (in review)
Piper formicitolerans Trel. Synonym L TRO
Piper formosum (Miq.) C. DC. Accepted L TRO
Piper forstenii C.DC. Unresolved L WCSP (in review)
Piper fortalezanum Trel. Accepted M TRO
Piper fortunaense Tebbs Accepted M TRO
Piper fortunyoanum Trel. Accepted M TRO
Piper fosbergii Trel. Synonym M WCSP (in review)
Piper foveolatum Kunth ex C.DC. Accepted M WCSP (in review)
Piper fragile Benth. Accepted M WCSP (in review)
Piper fragiliforme C.DC. Unresolved L WCSP (in review)
Piper fragrans Trel. Unresolved L WCSP (in review)
Piper fraguanum Trel. Synonym M TRO
Piper fraguanum var. viride Trel. Synonym L TRO
Piper franciscanum Trel. Unresolved L WCSP (in review)
Piper francoae M.A. Jaram. & Callejas Unresolved L TRO
Piper francovilleanum C.DC. Accepted M WCSP (in review)
Piper fraseri C. DC. Synonym L TRO
Piper freirifolium Hochst. ex A.Rich. Unresolved L WCSP (in review)
Piper fresnoense Trel. & Yunck. Unresolved L WCSP (in review)
Piper friedrichsthalii C. DC. Synonym M TRO
Piper frijolesanum Trel. Unresolved L TRO
Piper frijolesanum var. grandifolium Trel. Synonym L TRO
Piper frioense Standl. & Steyerm. Synonym M TRO
Piper froesii Yunck. Unresolved L WCSP (in review)
Piper frostii Trel. ex Standl. Unresolved L WCSP (in review)
Piper frustratum Boerl. Unresolved L WCSP (in review)
Piper frutescens C. DC. Synonym M TRO
Piper fruticosum Steud. Unresolved L WCSP (in review)
Piper fuertesii C.DC. Unresolved L WCSP (in review)
Piper fulgentifolium Yunck. Accepted M TRO
Piper fulgidum Yunck. Unresolved L WCSP (in review)
Piper fuligineum Kunth Accepted L TRO
Piper fuligineum var. laevifolium C. DC. Synonym L TRO
Piper fuliginosum Sodiro Accepted M TRO
Piper fulvescens C.DC. Synonym M WCSP (in review)
Piper fulvescens var. geraense C. DC. Synonym L TRO
Piper fulvescens var. subglabrum C.DC. Synonym L WCSP (in review)
Piper fulvescenticaule Trel. Accepted M TRO
Piper funckii C.DC. Synonym M WCSP (in review)
Piper fundacionense Steyerm. Accepted M WCSP (in review)
Piper fungiforme Spokes Unresolved L WCSP (in review)
Piper furcatipilosum Yunck. Synonym M WCSP (in review)
Piper furcatum D.Dietr. Unresolved L WCSP (in review)
Piper furiae Trel. Synonym M TRO
Piper furiae var. cundinamarcense Trel. Synonym L TRO
Piper fusagasuganum Trel. & Yunck. Unresolved L WCSP (in review)
Piper fuscescens C. DC. Synonym M TRO
Piper fuscescentirameum C.DC. Unresolved L WCSP (in review)
Piper fuscescentispicum C.DC. Unresolved L WCSP (in review)
Piper fuscinervium Quisumb. Unresolved L WCSP (in review)
Piper fuscispicum Trel. Accepted M TRO
Piper fusco-bracteatum Trel. Synonym M TRO
Piper fusco-granulatum Trel. Synonym M TRO
Piper fuscum C. DC. Synonym M TRO
Piper futokadsura Siebold Synonym M TRO
Piper futuri Trel. & Yunck. Accepted M TRO
Piper gabrielianum (Miq.) C. DC. Accepted L TRO
Piper galeatum (Miq.) C. DC. Accepted M TRO
Piper galeottianum M. Martens & Galeotti Accepted M TRO
Piper galicianum Steyerm. Accepted M WCSP (in review)
Piper galioides (Kunth) Poir. Synonym M WCSP (in review)
Piper gallatlyi C.DC. Unresolved L WCSP (in review)
Piper gamblei C.DC. Unresolved L WCSP (in review)
Piper gamboanum (C. DC.) C. DC. Synonym M TRO
Piper gamboanum var. yapense Trel. Synonym L TRO
Piper gammiei C.DC. Unresolved L WCSP (in review)
Piper garagaranum C. DC. Accepted M TRO
Piper gardneri C.DC. Unresolved L WCSP (in review)
Piper gatunense Trel. Synonym M TRO
Piper gatunense var. cocleanum Trel. Synonym L TRO
Piper gatunense var. latum Trel. Synonym L TRO
Piper gaudichaudianum Kunth Accepted M TRO
Piper gaudichaudianum f. argentina C. DC. Synonym L TRO
Piper gaudichaudianum var. argentinum C. DC. Synonym L TRO
Piper gaumeri Trel. Synonym L TRO
Piper gegarvum C.DC. Unresolved L WCSP (in review)
Piper gelalae C.DC. Unresolved L WCSP (in review)
Piper gemellum Willd. ex Link Unresolved L WCSP (in review)
Piper generalense Trel. Synonym M TRO
Piper geniculatum Sw. Synonym M WCSP (in review)
Piper geniculatum var. latifolium C.DC. Synonym L WCSP (in review)
Piper geniculatum var. longepetiolatum C. DC. Synonym L TRO
Piper geniculatum f. puberulum C. DC. Synonym L TRO
Piper geniculatum var. scandens Trel. & Yunck. Synonym L TRO
Piper gentlei Trel. Synonym M TRO
Piper gentryi Steyerm. Accepted M WCSP (in review)
Piper genuflexum Trel. Synonym M TRO
Piper georginum Trel. & Standl. Unresolved L WCSP (in review)
Piper gibbiflorum C.DC. Unresolved L WCSP (in review)
Piper gibbifolium C.DC. Unresolved L WCSP (in review)
Piper gibbilimbum C.DC. Unresolved L WCSP (in review)
Piper gibbosum C. DC. Accepted M TRO
Piper gibbsiae C.DC. Unresolved L WCSP (in review)
Piper gibsonii C.DC. Unresolved L WCSP (in review)
Piper gigantifolium C.DC. Synonym M WCSP (in review)
Piper gigas Trel. Synonym L TRO
Piper gilvescens Trel. Accepted M TRO
Piper gilvibaccum Trel. Accepted M TRO
Piper giordanoi E.F.Guim. & D.Monteiro Accepted M WCSP (in review)
Piper glabellum Sw. Synonym L WCSP (in review)
Piper glabellum (Miq.) C. DC. Synonym L TRO
Piper glaberrimicaule Trel. Synonym M TRO
Piper glabramentum C.DC. Unresolved L WCSP (in review)
Piper glabratum (Kunth) Steud. Accepted M WCSP (in review)
Piper glabratum Kunth Synonym M TRO
Piper glabrescens (Miq.) C.DC. Accepted M WCSP (in review)
Piper glabrescens var. caparonum (C. DC.) Yunck. Accepted L TRO
Piper glabrescens var. venezuelense (C.DC.) Trel. & Yunck. Accepted L WCSP (in review)
Piper glabribaccum Trel. Accepted M TRO
Piper glabribracteum Yunck. Unresolved L WCSP (in review)
Piper glabricaule C. DC. Synonym M TRO
Piper glabrifolium C. DC. Synonym L TRO
Piper glabrihaccum Trel. Unresolved L WCSP (in review)
Piper glabrilimbum C.DC. Synonym L WCSP (in review)
Piper glabrirameum C. DC. Synonym M TRO
Piper glabrirhache C.DC. Unresolved L WCSP (in review)
Piper glabrispica C.DC. Unresolved L WCSP (in review)
Piper glabrius Trel. Accepted M TRO
Piper glabrum Mill. Unresolved L WCSP (in review)
Piper glanduligerum C.DC. Accepted M WCSP (in review)
Piper glanduligerum var. subcoriaceum C. DC. Synonym L TRO
Piper glandulosissimum Yunck. Unresolved L WCSP (in review)
Piper glaucescens Jacq. Synonym M TRO
Piper glaziovii C. DC. Synonym M TRO
Piper gleasonii Yunck. Synonym L TRO
Piper globosum C. DC. Synonym L TRO
Piper globosum Poir. Synonym L TRO
Piper globulantherum C.DC. Unresolved L WCSP (in review)
Piper globulistigmum C.DC. Unresolved L WCSP (in review)
Piper glyphicum Hoffmanns. ex Kunth Unresolved L WCSP (in review)
Piper godetii C.DC. Unresolved L WCSP (in review)
Piper goeldii C.DC. Unresolved L WCSP (in review)
Piper goergeri Trel. Synonym M TRO
Piper goesii Yunck. Unresolved L WCSP (in review)
Piper gonagricum Trel. Synonym M TRO
Piper gonocarpum Trel. Accepted M TRO
Piper gorgonae-insulae Trel. & Yunck. Synonym M TRO
Piper gorgonillense Trel. & Yunck. Unresolved L WCSP (in review)
Piper goudotii C. DC. Synonym M TRO
Piper gracile Ruiz & Pav. Accepted M TRO
Piper gracilipedunculum Trel. Synonym M TRO
Piper gracilipes C.DC. Unresolved L WCSP (in review)
Piper gracilirameum C. DC. Synonym M TRO
Piper graciliramosum Yunck. Unresolved L WCSP (in review)
Piper gracilispicum C. DC. Synonym M TRO
Piper gracillimum Trel. Synonym L TRO
Piper gracillimum var. dantoense Trel. Synonym L TRO
Piper graeffei Warb. Unresolved L WCSP (in review)
Piper grahami Trel. Synonym M TRO
Piper granatense D. Dietr. Synonym M TRO
Piper granatense C. DC. Synonym M TRO
Piper grande Vahl Accepted M WCSP (in review)
Piper grande var. puberulentum Yunck. Synonym L TRO
Piper grandifolium Kunth Synonym M TRO
Piper grandifolium Afzel. Synonym M TRO
Piper grandilimbum C. DC. Synonym M TRO
Piper grandipedunculum C.DC. Unresolved L WCSP (in review)
Piper grandispicum C.DC. Unresolved L WCSP (in review)
Piper grantii Yunck. Unresolved L WCSP (in review)
Piper granulatum Trel. Synonym M TRO
Piper granuligerum Trel. Accepted M TRO
Piper granulosum Ruiz & Pav. Accepted M TRO
Piper gratum Trel. Accepted M TRO
Piper graveolens C.DC. Unresolved L WCSP (in review)
Piper griffithii C.DC. Unresolved L WCSP (in review)
Piper griseocaule Trel. Accepted M TRO
Piper griseolimbum Trel. & Yunck. Unresolved L WCSP (in review)
Piper griseopubens Trel. Synonym M TRO
Piper griseopubens var. revocabile Trel. Synonym L TRO
Piper griseoreticulatum Trel. Unresolved L WCSP (in review)
Piper griseovenosum Trel. Synonym M TRO
Piper griseum C. DC. Accepted M TRO
Piper guabinachanum Trel. Unresolved L WCSP (in review)
Piper guacimonum (C. DC.) Trel. Accepted M TRO
Piper guadaloupense C.DC. Unresolved L WCSP (in review)
Piper guadratilimbum Trel. Unresolved L TRO
Piper guahamense C.DC. Unresolved L WCSP (in review)
Piper gualeanum C. DC. Accepted M TRO
Piper guanacostense C.DC. Unresolved L WCSP (in review)
Piper guanahacabibense Borhidi Unresolved L WCSP (in review)
Piper guanaianum C. DC. Synonym M TRO
Piper guapense Yunck. Unresolved L WCSP (in review)
Piper guaremalesanum Trel. & Yunck. Synonym M WCSP (in review)
Piper guatopoense Yunck. Accepted M WCSP (in review)
Piper guavanum C.DC. Unresolved L WCSP (in review)
Piper guayasanum C. DC. Synonym L TRO
Piper guayranum C. DC. Synonym M TRO
Piper guayranum var. humilior (C. DC.) Trel. & Yunck. Synonym L TRO
Piper guazacapanense Trel. & Standl. Unresolved L WCSP (in review)
Piper guedesii C. DC. Synonym L TRO
Piper guianense (Klotzsch) C.DC. Accepted M WCSP (in review)
Piper guigual Buch.-Ham. ex D. Don Synonym M TRO
Piper guildingianum Spreng. Synonym M TRO
Piper guineense Schumach. & Thonn. Accepted M WCSP (in review)
Piper gurupanum Yunck. Unresolved L WCSP (in review)
Piper gutierrezii Yunck. Unresolved L WCSP (in review)
Piper gymnocladum C.DC. Unresolved L WCSP (in review)
Piper gymnophyllum C.DC. Unresolved L WCSP (in review)
Piper gymnostachyum C.DC. Unresolved L WCSP (in review)
Piper haenkeanum D.Dietr. Unresolved L WCSP (in review)
Piper haenkeanum Opiz Unresolved L WCSP (in review)
Piper hahnii C.DC. Unresolved L WCSP (in review)
Piper hainana K.Schum. Unresolved L WCSP (in review)
Piper hainanense Hemsl. Accepted M TRO
Piper halconense C.DC. Unresolved L WCSP (in review)
Piper halesiaefolium (Miq.) Kunth ex C. DC. Accepted M TRO
Piper hallieri C.DC. Unresolved L WCSP (in review)
Piper hamiltonii C.DC. Unresolved L WCSP (in review)
Piper hancei Maxim. Accepted M TRO
Piper hanckelii Trel. Synonym M TRO
Piper hapnium Buch.-Ham. Unresolved L WCSP (in review)
Piper haridasanii Gajurel, Rethy & Y.Kumar Unresolved L WCSP (in review)
Piper harlingii Yunck. Accepted M TRO
Piper harmandii C.DC. Unresolved L WCSP (in review)
Piper harrisii C.DC. Unresolved L WCSP (in review)
Piper hartii C.DC. Unresolved L WCSP (in review)
Piper hartwegianum (Benth.) C. DC. Accepted L TRO
Piper harveyanum Domin Unresolved L WCSP (in review)
Piper hassleri C.DC. Accepted M WCSP (in review)
Piper hastularum Yunck. Synonym M TRO
Piper hastularum var. longipetiolatum Trel. & Yunck. Synonym L TRO
Piper hatschbachii Yunck. Accepted M WCSP (in review)
Piper haughtii Trel. & Yunck. Accepted M TRO
Piper havilandii C.DC. Unresolved L WCSP (in review)
Piper haworthianum Schult. Unresolved L WCSP (in review)
Piper hayesii Trel. Synonym L TRO
Piper hayneanum C.DC. Unresolved L WCSP (in review)
Piper hebetata Unresolved L TRO
Piper hebetifolium W.C. Burger Accepted M TRO
Piper hederaceum (Miq.) C. DC. Accepted L TRO
Piper heimii C.DC. Unresolved L WCSP (in review)
Piper hemionitidifolium D.Dietr. Unresolved L WCSP (in review)
Piper hemmendorffii C. DC. Accepted M TRO
Piper henryci C. DC. Synonym L TRO
Piper henryei C.DC. Unresolved L WCSP (in review)
Piper henshenii C.DC. Synonym L WCSP (in review)
Piper heptandrum (Miq.) C. DC. Accepted L TRO
Piper heptaneurum Trel. Synonym M TRO
Piper heraldi Trel. Synonym L TRO
Piper heraldi var. amplius Trel. Synonym L TRO
Piper heraldi var. cocleanum Trel. Synonym L TRO
Piper herbaceum Miq. Synonym M TRO
Piper hermannii Trel. & Yunck. Accepted M WCSP (in review)
Piper hermes Trel. & Standl. Unresolved L WCSP (in review)
Piper hermosanum Yunck. Unresolved L WCSP (in review)
Piper hernandiifolium Vahl Synonym M WCSP (in review)
Piper herrerae Trel. Accepted M TRO
Piper herzogii C. DC. Synonym M TRO
Piper heterobracteum Steyerm. Accepted M WCSP (in review)
Piper heterocarpum Trel. Accepted M TRO
Piper heteromallum Pers. Synonym M TRO
Piper heterophlebium Trel. Synonym L TRO
Piper heterophyllum Ruiz & Pav. Accepted M TRO
Piper heterostachyon (A. Dietr.) D. Dietr. Synonym M TRO
Piper heterostachyum D.Dietr. Unresolved L WCSP (in review)
Piper heterotrichum C. DC. Accepted M TRO
Piper hexandrum C. DC. Unresolved L TRO
Piper heydei C.DC. ex Donn.Sm. Unresolved L WCSP (in review)
Piper hians Trel. Synonym M TRO
Piper hieronymi C. DC. Accepted M TRO
Piper hieronymi var. hieronymi Accepted L TRO
Piper hilarianum (Miq.) C. DC. Synonym L TRO
Piper hillianum C. DC. Accepted M TRO
Piper hippocrepiforme Steyerm. Accepted M WCSP (in review)
Piper hirsutissimum D.Dietr. Unresolved L WCSP (in review)
Piper hirsutum Sw. Synonym M WCSP (in review)
Piper hirsutum var. asperiusculum (Kunth) C. DC. Synonym L TRO
Piper hirsutum var. barclayanum (Miq.) C. DC. Synonym L TRO
Piper hirsutum var. carpinterae C. DC. Synonym L TRO
Piper hirsutum var. laevius C. DC. Synonym L TRO
Piper hirsutum var. longepilosum C. DC. Synonym L TRO
Piper hirsutum var. magnifolium C. DC. Synonym L TRO
Piper hirsutum var. parvifolium C. DC. Synonym L TRO
Piper hirsutum var. tonduzii C. DC. Synonym L TRO
Piper hirtellipetiolum C. DC. Accepted M TRO
Piper hirtellipetiolum var. harveyanum (Trel.) Yunck. Accepted L TRO
Piper hirtellipetiolum var. tapianum (Trel.) Yunck. Accepted L TRO
Piper hirtellum C.DC. Unresolved L WCSP (in review)
Piper hirtilimbum Trel. & Yunck. Unresolved L WCSP (in review)
Piper hirtirhache C.DC. Unresolved L WCSP (in review)
Piper hirtovarium C.DC. Unresolved L WCSP (in review)
Piper hirtulum (C. Presl) C. DC. Accepted L TRO
Piper hispaniolae Trel. Unresolved L WCSP (in review)
Piper hispidiramum C.DC. Unresolved L WCSP (in review)
Piper hispidiseptum Trel. Synonym M TRO
Piper hispidonervum C.DC. Unresolved L WCSP (in review)
Piper hispidulum Sw. Synonym M WCSP (in review)
Piper hispidum Sw. Accepted M WCSP (in review)
Piper hispidum Kunth Unresolved L TRO
Piper hispidum Hayata Synonym M TRO
Piper hispidum var. ellipticifolium Yunck. Synonym L TRO
Piper hispidum var. gamboanum C. DC. Synonym L TRO
Piper hispidum var. hispidum Accepted L TRO
Piper hispidum var. lanceolatum Trel. & Yunck. Synonym L TRO
Piper hispidum f. lanceolatum Steyerm. Accepted L TRO
Piper hispidum var. magnifolium C. DC. Synonym L TRO
Piper hispidum var. obliquum Trel. & Yunck. Synonym L TRO
Piper hispidum var. trachydermum (Trel.) Yunck. Synonym L WCSP (in review)
Piper hochiense Y.Q. Tseng Accepted M TRO
Piper hodgei Yunck. Unresolved L WCSP (in review)
Piper hoehnei Yunck. Unresolved L WCSP (in review)
Piper hoffmannseggianum Schult. Unresolved L WCSP (in review)
Piper hohenackeri C. DC. Synonym L TRO
Piper holdridgeanum W.C. Burger Accepted M TRO
Piper holdrigeianum W.C.Burger Unresolved L WCSP (in review)
Piper holguinianum Trel. Unresolved L WCSP (in review)
Piper hollrungii K.Schum. & Lauterb. Unresolved L WCSP (in review)
Piper holtii Trel. & Yunck. Accepted M WCSP (in review)
Piper holtonii C.DC. Accepted M WCSP (in review)
Piper holtonii var. cundinamarcanum Trel. & Yunck. [Unplaced] Unresolved L WCSP (in review)
Piper holtonii var. parvispicum Yunck. Synonym L TRO
Piper hondonadense Trel. & Yunck. Unresolved L WCSP (in review)
Piper hongkongense C. DC. Accepted L TRO
Piper hooglandii (I. Hutton & P.S. Green) M.A. Jaram. Accepted M TRO
Piper hookeri Miq. Unresolved L WCSP (in review)
Piper hookerianum (Miq.) C. DC. Accepted L TRO
Piper hosei C.DC. Unresolved L WCSP (in review)
Piper hosokawae Fosberg Unresolved L WCSP (in review)
Piper hostmannianum (Miq.) C.DC. Accepted M WCSP (in review)
Piper hostmannianum var. berbicense (Miq.) C. DC. Synonym L TRO
Piper hostmannianum var. glabrirameum Trel. & Yunck. Synonym L WCSP (in review)
Piper hostmannianum var. ramiflorum C. DC. Synonym L TRO
Piper huacachianum Trel. Accepted M TRO
Piper huacapistanum Trel. Accepted M TRO
Piper huallaganum Trel. Accepted M TRO
Piper huantanum Trel. Unresolved L WCSP (in review)
Piper huanucanum Trel. Synonym M TRO
Piper huberi C.DC. Unresolved L WCSP (in review)
Piper huegelianum (Miq.) Miq. Synonym L TRO
Piper huegelianum (Miq.) C. DC. Accepted L TRO
Piper huigranum Trel. & Yunck. Accepted M TRO
Piper huilanum C.DC. Unresolved L WCSP (in review)
Piper humaytanum Yunck. Unresolved L WCSP (in review)
Piper humblotii C. DC. Synonym M TRO
Piper humile C. DC. Synonym M TRO
Piper humile Vahl Synonym M TRO
Piper humile Mill. Synonym M TRO
Piper humillimum C.DC. Unresolved L WCSP (in review)
Piper humistratum Görts & K.U. Kramer Accepted M TRO
Piper humoense Trel. Synonym M TRO
Piper humorigaudens Trel. Synonym M TRO
Piper hyalinum Wall. Unresolved L WCSP (in review)
Piper hydrangeifolium Kunth Unresolved L WCSP (in review)
Piper hydrocotylifolium M. Martens & Galeotti Synonym M TRO
Piper hydrolapathum C. DC. Accepted M TRO
Piper hylebates C. DC. Accepted M TRO
Piper hylophilum C. DC. Accepted M TRO
Piper hymenophyllum (Miq.) Wight Unresolved L WCSP (in review)
Piper hymenopodum Sodiro Accepted M TRO
Piper hypoglaucum Miq. Unresolved L WCSP (in review)
Piper hypoleucum Sodiro Accepted M TRO
Piper ibaguense Trel. Synonym M TRO
Piper ichangense C. DC. Synonym L TRO
Piper ictum Trel. Synonym M TRO
Piper ignacioanum Trel. & Yunck. Synonym M TRO
Piper ilheusense Yunck. Unresolved L WCSP (in review)
Piper illautum Trel. Accepted M TRO
Piper illudens Trel. Synonym M TRO
Piper imberbe Trel. & Standl. Unresolved L WCSP (in review)
Piper immite Trel. Accepted M TRO
Piper immutatum Trel. Accepted M TRO
Piper imparipes Trel. Synonym M TRO
Piper imperiale (Miq.) C. DC. Accepted L TRO
Piper imperspicuibracteum Trel. Synonym M TRO
Piper impube Trel. Synonym M TRO
Piper impunctatum Link Synonym L TRO
Piper inaequale C.DC. Unresolved L WCSP (in review)
Piper inaequalifolium (Ruiz & Pav.) Vahl Synonym M WCSP (in review)
Piper inauspicatum Trel. Accepted M TRO
Piper incanum Haw. Synonym M TRO
Piper incisicuspe Trel. Synonym M TRO
Piper incisum Rich. ex C.DC. Unresolved L WCSP (in review)
Piper incitum Trel. Synonym M TRO
Piper inclemens Trel. & Yunck. Accepted M TRO
Piper incomptum Trel. Accepted M TRO
Piper inconsumptum Trel. Synonym M TRO
Piper incurvum Sieber ex Schult. Synonym M TRO
Piper indecorum Kunth Accepted M TRO
Piper indianonum Trel. Accepted M TRO
Piper indiciflexum Trel. Accepted M TRO
Piper indicum Garsault [Invalid] Synonym M WCSP (in review)
Piper indignum Trel. Synonym M TRO
Piper inebrians Bertero ex Miq. Unresolved L WCSP (in review)
Piper inebrians Royle Unresolved L WCSP (in review)
Piper infidele Trel. & Yunck. Synonym L TRO
Piper infossibaccatum A. Huang Accepted M TRO
Piper infossum Y.Q. Tseng Accepted M TRO
Piper infraluteum Trel. Synonym M TRO
Piper inhorrescens Trel. Synonym M TRO
Piper injucundum Trel. Synonym M TRO
Piper injucundum var. praecalvinervium Trel. Synonym L TRO
Piper injucundum var. praepubinervium Trel. Synonym L TRO
Piper insectifugum C.DC. ex Seem. Accepted M WCSP (in review)
Piper insigne (Kunth) Kunth ex C. DC. Accepted M TRO
Piper insignifolium C. DC. Synonym L TRO
Piper insignilaminum Trel. & Yunck. Unresolved L WCSP (in review)
Piper insignilimbum C.DC. Unresolved L WCSP (in review)
Piper insipiens Trel. & Yunck. Synonym L TRO
Piper insolens Trel. Synonym M TRO
Piper instabilipes Trel. Unresolved L WCSP (in review)
Piper insulicolum Trel. Synonym M TRO
Piper interitum Trel. Accepted M TRO
Piper internibaccum C.DC. Unresolved L WCSP (in review)
Piper internovarium C.DC. Unresolved L WCSP (in review)
Piper interruptum Opiz Accepted M WCSP (in review)
Piper interruptum var. multinervum C. DC. Synonym L TRO
Piper intersitum f. porcecitense Trel. Synonym L TRO
Piper intonsum Trel. Accepted M TRO
Piper inversum C.DC. Unresolved L WCSP (in review)
Piper iquitosense Trel. Accepted M TRO
Piper irazuanum C. DC. Synonym M TRO
Piper irazuanum var. suborbiculatum Trel. Synonym L TRO
Piper irrasum Trel. Synonym L TRO
Piper isernii Trel. Synonym M TRO
Piper isopleurum C.DC. Unresolved L WCSP (in review)
Piper itacolumianum C.DC. Unresolved L WCSP (in review)
Piper itatiaianum C.DC. Unresolved L WCSP (in review)
Piper itayanum Trel. Accepted M TRO
Piper ivonense Yunck. Unresolved L WCSP (in review)
Piper ixocubvainense Standl. & Steyerm. Unresolved L WCSP (in review)
Piper izabalensis Unresolved L TRO
Piper jaboncillanum Trel. & Yunck. Unresolved L WCSP (in review)
Piper jaborandii Vell. Unresolved L WCSP (in review)
Piper jacquemontianum Kunth Accepted M TRO
Piper jacquinianum Schult. Synonym M WCSP (in review)
Piper jacquinii C.DC. Synonym M WCSP (in review)
Piper jactatum Trel. & Standl. Synonym M TRO
Piper jaculifolium Trel. Synonym M TRO
Piper jalapense M. Martens & Galeotti Accepted M TRO
Piper jalapensis (Miq.) C. DC. Accepted L TRO
Piper jaliscanum S.Watson Unresolved L WCSP (in review)
Piper jamaicense C.DC. Unresolved L WCSP (in review)
Piper jamaoanum Trel. Unresolved L WCSP (in review)
Piper jamesoni C. DC. Synonym M TRO
Piper janeiroense C.DC. Unresolved L WCSP (in review)
Piper japurense (Miq.) C. DC. Accepted L TRO
Piper japvonum C.DC. Unresolved L WCSP (in review)
Piper jauaense Steyerm. Accepted M WCSP (in review)
Piper javanicum C.DC. Unresolved L WCSP (in review)
Piper javariense Yunck. Unresolved L WCSP (in review)
Piper javitense Kunth Accepted M WCSP (in review)
Piper jayeri C.DC. Unresolved L WCSP (in review)
Piper jenkinsii C.DC. Unresolved L WCSP (in review)
Piper jericoense Trel. & Yunck. Synonym M TRO
Piper johnstonii C.DC. Synonym M WCSP (in review)
Piper jubatum Trel. Synonym M TRO
Piper jubimarginatum Yunck. Unresolved L WCSP (in review)
Piper julianii Callejas Accepted M WCSP (in review)
Piper juliflorum Nees & Mart. Unresolved L WCSP (in review)
Piper jumayense Trel. & Standl. Unresolved L WCSP (in review)
Piper jussiaeanum Kunth Synonym M TRO
Piper jussiaeanum (Kunth) Kunth ex C. DC. Accepted M TRO
Piper kadsura (Choisy) Ohwi Accepted M TRO
Piper kandavuense A.C.Sm. Unresolved L WCSP (in review)
Piper kanehiranum Trel. Accepted M TRO
Piper kantetulense Trel. Synonym M TRO
Piper kantetulense var. gentlei Trel. Synonym L TRO
Piper kappleri C. DC. Accepted M TRO
Piper kapruanum C.DC. Unresolved L WCSP (in review)
Piper karok Blume Unresolved L WCSP (in review)
Piper karwinskianum Kunth Unresolved L TRO
Piper karwinskianum (Kunth) Kunth ex C. DC. Accepted M TRO
Piper kawakamii Hayata Accepted M TRO
Piper kegelianum (Miq.) C.DC. Accepted M WCSP (in review)
Piper kegelii C. DC. Accepted M TRO
Piper kerberi C.DC. Unresolved L WCSP (in review)
Piper kewense C.DC. Unresolved L WCSP (in review)
Piper keyanum C.DC. Unresolved L WCSP (in review)
Piper khasianum C.DC. Unresolved L WCSP (in review)
Piper kietanum C.DC. Synonym M WCSP (in review)
Piper killipii Trel. Synonym M TRO
Piper killipii var. calderanum Trel. Synonym L TRO
Piper kimpitirikianum Trel. Accepted M TRO
Piper kleinii Yunck. Accepted M WCSP (in review)
Piper klossii Ridl. Unresolved L WCSP (in review)
Piper klotzschianum (Kunth) C. DC. Accepted M TRO
Piper klugianum Trel. Accepted M TRO
Piper klugii Yunck. Accepted M TRO
Piper koepperi Trel. Synonym M TRO
Piper konkintoense Trel. Synonym M TRO
Piper koordersii C.DC. ex Koord. Unresolved L WCSP (in review)
Piper koordersii C.DC. Unresolved L WCSP (in review)
Piper korthalsii Miq. Unresolved L WCSP (in review)
Piper kotanum C.DC. Unresolved L WCSP (in review)
Piper kotoense Yamam. Synonym M TRO
Piper kraense Ridl. Unresolved L WCSP (in review)
Piper kreangense C.DC. Unresolved L WCSP (in review)
Piper krintjingense C.DC. Unresolved L WCSP (in review)
Piper krukoffii Yunck. Synonym L TRO
Piper kuhlmannii Yunck. Unresolved L WCSP (in review)
Piper kunstleri C.DC. Unresolved L WCSP (in review)
Piper kunthianum Steud. Unresolved L WCSP (in review)
Piper kunthii (Miq.) C. DC. Accepted L TRO
Piper kuntzei C. DC. Synonym M TRO
Piper kurzii Ridl. Unresolved L WCSP (in review)
Piper kurzii C.DC. Unresolved L WCSP (in review)
Piper kusaiense Hosok. Unresolved L WCSP (in review)
Piper kwashoense Hayata Accepted M TRO
Piper labeculatum Trel. Synonym M TRO
Piper labillardieri C.DC. Unresolved L WCSP (in review)
Piper laceratibracteum Trel. Synonym M TRO
Piper lacunosifolium Trel. Synonym M TRO
Piper lacunosum Kunth Accepted M WCSP (in review)
Piper ladrillense Trel. Synonym M TRO
Piper laedans Trel. Synonym M TRO
Piper laeteviride Ekman ex Trel. Unresolved L WCSP (in review)
Piper laetispicum C. DC. Accepted M TRO
Piper laetum (Kunth) C. DC. Accepted M TRO
Piper laevibracteum Trel. Synonym M TRO
Piper laevicarpum Yunck. Accepted M WCSP (in review)
Piper laevifolium C. DC. Synonym M TRO
Piper laevifolium Blume Synonym M TRO
Piper laevigatum Kunth Accepted M TRO
Piper laevilimbum C. DC. Synonym L TRO
Piper laevirameum C.DC. Unresolved L WCSP (in review)
Piper laevius (C. DC.) Trel. Synonym M TRO
Piper lagenaebaccum Trel. Accepted M TRO
Piper lageniovarium C.DC. Unresolved L WCSP (in review)
Piper lagoaense C.DC. Unresolved L WCSP (in review)
Piper laguna-cochanum Trel. & Yunck. Accepted M WCSP (in review)
Piper lagunaense Trel. & Yunck. Unresolved L WCSP (in review)
Piper lainatakanum C.DC. Unresolved L WCSP (in review)
Piper lamasense Trel. Accepted M TRO
Piper lambeauense C.DC. Unresolved L WCSP (in review)
Piper lanatibracteum Trel. Synonym M TRO
Piper lanceaefolium Kunth Accepted M TRO
Piper lanceatum A.Dietr. Unresolved L WCSP (in review)
Piper lanceibracteum Trel. Unresolved L TRO
Piper lanceifolium var. acutiusculum C. DC. Synonym L TRO
Piper lanceifolium var. latifolium Sodiro Synonym L TRO
Piper lanceifolium var. plicatum Sodiro Synonym L TRO
Piper lanceolatum Ruiz & Pav. Accepted M TRO
Piper lanceolatum var. latifolium C. DC. Synonym L TRO
Piper lanceolatum var. mucronatum C. DC. Synonym L TRO
Piper lanceolatum var. tricuspe (Miq.) C. DC. Synonym L TRO
Piper lancetillanum Trel. Synonym M TRO
Piper lanciferum Standl. & Steyerm. Unresolved L WCSP (in review)
Piper lancilimbum Yunck. Accepted M TRO
Piper landakanum C.DC. Unresolved L WCSP (in review)
Piper langlassei C.DC. Unresolved L WCSP (in review)
Piper langsdorffianum C. DC. Synonym M TRO
Piper langsdorfii Schrank Unresolved L WCSP (in review)
Piper lanosibracteum Trel. Synonym M TRO
Piper lanosicaule Trel. Accepted M TRO
Piper lanuginosum C. DC. Synonym M TRO
Piper lapathifolium (Kunth) Steud. Accepted M TRO
Piper lappaceum (Benn.) C.DC. Synonym M WCSP (in review)
Piper late-ovatum Trel. Accepted M TRO
Piper lateoblongum S.Moore Unresolved L WCSP (in review)
Piper laterifissum Trel. Synonym L TRO
Piper lateripilosum Yunck. Accepted M WCSP (in review)
Piper latibracteum C. DC. Accepted M TRO
Piper latifolium L. f. Accepted M TRO
Piper latilimbum C.DC. Unresolved L WCSP (in review)
Piper latum Kunth Synonym M WCSP (in review)
Piper laurentii De Wild. Unresolved L WCSP (in review)
Piper laurifolium Kunth Synonym M TRO
Piper laurinum Roem. & Schult. Accepted M TRO
Piper lauterbachii C.DC. Unresolved L WCSP (in review)
Piper lawrancei Trel. & Yunck. Unresolved L WCSP (in review)
Piper laxiflorum Poir. Unresolved L WCSP (in review)
Piper laxirameum C.DC. Unresolved L WCSP (in review)
Piper laxispicum Trel. Synonym M TRO
Piper laxispicum var. latifolium C. DC. ex Trel. Synonym L TRO
Piper laxivenum C.DC. Unresolved L WCSP (in review)
Piper laxum Vahl Unresolved L WCSP (in review)
Piper lechlerianum C. DC. Accepted M TRO
Piper ledebourii C.DC. Unresolved L WCSP (in review)
Piper ledermannii C.DC. Unresolved L WCSP (in review)
Piper ledezmae Trel. & Yunck. Synonym L TRO
Piper lehmannianum (Miq.) C. DC. Accepted L TRO
Piper leiophyllum C. DC. Synonym L TRO
Piper lemaense Yunck. Accepted M WCSP (in review)
Piper lenormandianum C. DC. Synonym M TRO
Piper lentaginoides Kunth Unresolved L WCSP (in review)
Piper lenticellosum C. DC. Synonym M TRO
Piper leonense C.DC. Unresolved L WCSP (in review)
Piper lepidotum D.Parodi Unresolved L WCSP (in review)
Piper leprieurii (Miq.) Pulle Synonym M WCSP (in review)
Piper leptocladum C. DC. Synonym M TRO
Piper leptonema Hook.f. Unresolved L WCSP (in review)
Piper leptoneuron C. DC. Synonym M TRO
Piper leptophyllum C.DC. Synonym M WCSP (in review)
Piper leptostachyon Nutt. Synonym M TRO
Piper leptostachyum Willd. ex Kunth Synonym M TRO
Piper leptostilum C.DC. Unresolved L WCSP (in review)
Piper lepturum (Kunth) C. DC. Accepted M TRO
Piper lepturum Kunth Unresolved L TRO
Piper lepturum var. angustifolium (C. DC.) Yunck. Synonym L TRO
Piper lessertianum (Miq.) C. DC. Synonym M TRO
Piper leticianum C. DC. Accepted M TRO
Piper leucanthum C.DC. Unresolved L WCSP (in review)
Piper leucofustum Trel. Synonym M TRO
Piper leucophaeocaule Trel. Accepted M TRO
Piper leucophaeum Trel. Accepted M TRO
Piper leucophlebium Trel. Synonym M TRO
Piper leucophyllum (Miq.) C. DC. Accepted L TRO
Piper leucostachyum Trel. & Yunck. Unresolved L WCSP (in review)
Piper levilimbum Trel. Synonym M TRO
Piper leyteanum C.DC. Unresolved L WCSP (in review)
Piper lhotzkyanum Kunth Accepted M TRO
Piper lhotzkyanum (Miq.) C. DC. Unresolved L TRO
Piper liebmannii C. DC. Accepted M TRO
Piper liesneri Steyerm. Accepted M WCSP (in review)
Piper ligatispicum Trel. Synonym L TRO
Piper limae Yunck. Accepted M WCSP (in review)
Piper limonense Trel. ex Badillo Synonym M TRO
Piper limonense var. cardenasianum Trel. ex Badillo Synonym L TRO
Piper limosum Yunck. Accepted M WCSP (in review)
Piper lincolnense Trel. Synonym M TRO
Piper lindbergii C. DC. Synonym M TRO
Piper lindenianum C.DC. Unresolved L WCSP (in review)
Piper lindenii (Miq.) C. DC. Accepted M TRO
Piper linearifolium C. DC. Synonym M TRO
Piper lineatipilosum Yunck. Accepted M TRO
Piper lineatipilum C.DC. Unresolved L WCSP (in review)
Piper lineativillosum Trel. & Yunck. Unresolved L WCSP (in review)
Piper lineatum Ruiz & Pav. Accepted M TRO
Piper lineatum var. hirtipetiolatum Trel. Synonym L TRO
Piper lineatum var. leucolepidum Trel. Synonym L TRO
Piper lineatum var. lineatum Accepted L TRO
Piper lineolatifolium Trel. & Yunck. Accepted M TRO
Piper lingshuiense Y.Q. Tseng Accepted M TRO
Piper linguifolium Ham. Unresolved L WCSP (in review)
Piper linguliforme Steyerm. Accepted M WCSP (in review)
Piper lippoldii Saralegui Unresolved L WCSP (in review)
Piper liratinerve Trel. Synonym M TRO
Piper listeri C.DC. Unresolved L WCSP (in review)
Piper littlei Yunck. Unresolved L WCSP (in review)
Piper littorale C. DC. Accepted M TRO
Piper lividum C.DC. Unresolved L WCSP (in review)
Piper llatanum Trel. Accepted M TRO
Piper loefgrenii Yunck. Accepted M WCSP (in review)
Piper loheri C.DC. Unresolved L WCSP (in review)
Piper lolot C. DC. Synonym M TRO
Piper lonchites Schult. Unresolved L WCSP (in review)
Piper lonchites Wall. Unresolved L WCSP (in review)
Piper longamentum C.DC. Unresolved L WCSP (in review)
Piper longeacuminatum Trel. Accepted M TRO
Piper longegerminatum Trel. Synonym M TRO
Piper longepetiolatum (C. DC.) Trel. Accepted M TRO
Piper longepilosum C. DC. Accepted M TRO
Piper longestamineum Trel. Accepted M TRO
Piper longestylosum C. DC. Accepted M TRO
Piper longevillosum Trel. Synonym M TRO
Piper longiappendiculatum Steyerm. Accepted M WCSP (in review)
Piper longiauriculatum Yunck. Unresolved L WCSP (in review)
Piper longibracteum C.DC. Unresolved L WCSP (in review)
Piper longicaudatum Trel. & Yunck. Accepted M TRO
Piper longicaule C.DC. Unresolved L WCSP (in review)
Piper longichaetum Yunck. Unresolved L WCSP (in review)
Piper longicuspe Willd. ex Kunth Synonym M TRO
Piper longifilamentosum Trel. Synonym M TRO
Piper longifilamentum C.DC. Unresolved L WCSP (in review)
Piper longiflorum Willd. ex D.Dietr. Unresolved L WCSP (in review)
Piper longifolium Ruiz & Pav. Accepted M TRO
Piper longifolium var. pilosum C. DC. Synonym L TRO
Piper longilimbum C.DC. Unresolved L WCSP (in review)
Piper longimucronatum Yunck. Unresolved L WCSP (in review)
Piper longipedicellatum Quisumb. Unresolved L WCSP (in review)
Piper longipedunculatum D.Dietr. Unresolved L WCSP (in review)
Piper longipedunculatum C.DC. Unresolved L WCSP (in review)
Piper longipes C.DC. Unresolved L WCSP (in review)
Piper longipilum C.DC. Unresolved L WCSP (in review)
Piper longispicum C.DC. Accepted M WCSP (in review)
Piper longispicum var. boconoense (Trel. & Yunck.) Steyerm. Synonym L TRO
Piper longispicum var. glabratum (Yunck.) Steyerm. Accepted L WCSP (in review)
Piper longistigmum C.DC. Unresolved L WCSP (in review)
Piper longistipulum C. DC. Synonym M TRO
Piper longivaginans C.DC. Unresolved L WCSP (in review)
Piper longovarium C.DC. Unresolved L WCSP (in review)
Piper longum L. Accepted M TRO
Piper lorentzii Trel. Synonym M TRO
Piper loretoanum Trel. Accepted M TRO
Piper losoense Trel. & Yunck. Unresolved L WCSP (in review)
Piper lowong Blume Unresolved L WCSP (in review)
Piper loxense (Kunth) Poir. Synonym M WCSP (in review)
Piper lucaeanum Kunth Synonym L TRO
Piper lucaeanum var. magnifolium C.DC. Synonym L WCSP (in review)
Piper lucbanense C.DC. Unresolved L WCSP (in review)
Piper lucigaudens C. DC. Accepted M TRO
Piper lucigaudens var. alleni (Trel.) Yunck. Accepted L TRO
Piper lunare D.Dietr. Unresolved L WCSP (in review)
Piper lundellianum Trel. Synonym L TRO
Piper lundellii Trel. Synonym L TRO
Piper lundelliifolium Standl. Unresolved L TRO
Piper lundii C.DC. Accepted M WCSP (in review)
Piper lunulibracteatum C. DC. Accepted M TRO
Piper luridispicum Trel. Synonym M TRO
Piper luschnathianum (Kunth) Kunth ex B.D.Jacks. Synonym M WCSP (in review)
Piper luschnathianum Kunth Synonym M TRO
Piper luteobaccum Trel. Unresolved L WCSP (in review)
Piper lutescens C.DC. Unresolved L WCSP (in review)
Piper luxii C. DC. Synonym M TRO
Piper luzonense C.DC. Unresolved L WCSP (in review)
Piper maagnasanum C.DC. Unresolved L WCSP (in review)
Piper macapaense Yunck. Unresolved L WCSP (in review)
Piper macbrideanum Trel. Accepted M TRO
Piper macedoi Yunck. Accepted M TRO
Piper macerispicum Trel. & Yunck. Accepted M TRO
Piper macgillivrayi C.DC. ex Seem. Unresolved L WCSP (in review)
Piper macgillivrayi var. glabrum C. DC. Synonym L TRO
Piper macgregorii C.DC. Unresolved L WCSP (in review)
Piper machadoanum C. DC. Synonym M TRO
Piper machadoense C.DC. Unresolved L WCSP (in review)
Piper machucanum Trel. Synonym M TRO
Piper machupicchuense Trel. Accepted M TRO
Piper macintoshii Trel. & Stehlé Unresolved L WCSP (in review)
Piper maclurei Merr. Synonym M TRO
Piper macrocarpum C.DC. Unresolved L WCSP (in review)
Piper macrophyllum Kunth [Illegitimate] Synonym M WCSP (in review)
Piper macrophyllum Sw. Synonym M TRO
Piper macrophyllum Cham. & Schltdl. Synonym M TRO
Piper macropiper Pennant Accepted M WCSP (in review)
Piper macropodum C. DC. Accepted M TRO
Piper macropunctatum Yunck. Synonym M TRO
Piper macrorhizum Poir. Unresolved L WCSP (in review)
Piper macrorhynchon (Miq.) C. DC. Accepted L TRO
Piper macrostachyon Vahl Synonym M WCSP (in review)
Piper macrostachyum (C. Presl) C. DC. Accepted L TRO
Piper macrostylum C.DC. Unresolved L WCSP (in review)
Piper macrotrichum C. DC. Accepted M TRO
Piper macrourum Kunth Synonym M TRO
Piper maculatum Blume Unresolved L WCSP (in review)
Piper maculosum L. Synonym M WCSP (in review)
Piper madagascariense C.DC. Unresolved L WCSP (in review)
Piper madagascariensis (Miq.) C. DC. Accepted M TRO
Piper madeiranum Yunck. Unresolved L WCSP (in review)
Piper madidum Y.Q. Tseng Synonym M TRO
Piper maestranum Trel. Synonym M TRO
Piper magallanesanum C.DC. Unresolved L WCSP (in review)
Piper magicum Reinw. ex Miq. Unresolved L WCSP (in review)
Piper magnantherum C. DC. Accepted M TRO
Piper magnibaccum C.DC. Unresolved L WCSP (in review)
Piper magnificum Gentil Synonym M TRO
Piper magnificum Trel. Accepted M TRO
Piper magnifolium (C. DC.) Trel. Synonym M TRO
Piper magnilimbum C. DC. Synonym L TRO
Piper magnipedunculum C.DC. Unresolved L WCSP (in review)
Piper magnispicum C.DC. Unresolved L WCSP (in review)
Piper magnoliifolium Jacq. Synonym M WCSP (in review)
Piper maguirei Yunck. Synonym M TRO
Piper maingayi Hook.f. Unresolved L WCSP (in review)
Piper majusculum Blume Accepted M WCSP (in review)
Piper makruense C.DC. Unresolved L WCSP (in review)
Piper malabarense C.DC. Unresolved L WCSP (in review)
Piper malaccense C.DC. Unresolved L WCSP (in review)
Piper malacocarpum K.Schum. & Lauterb. Unresolved L WCSP (in review)
Piper malacophyllum (C.Presl) C.DC. Accepted M WCSP (in review)
Piper malaganum C.DC. Unresolved L WCSP (in review)
Piper malamiri Blume Unresolved L WCSP (in review)
Piper malamiris L. Unresolved L WCSP (in review)
Piper malamiris Roxb. Unresolved L WCSP (in review)
Piper malanganum Trel. Unresolved L WCSP (in review)
Piper malarayatense C.DC. Unresolved L WCSP (in review)
Piper malifolium Trel. Accepted M TRO
Piper malindangense C.DC. Unresolved L WCSP (in review)
Piper malmoris Wall. Unresolved L WCSP (in review)
Piper malpasoensis Tebbs Unresolved L TRO
Piper mamorense Yunck. Unresolved L WCSP (in review)
Piper manabinum C. DC. Accepted M TRO
Piper mananthum C.Wright Unresolved L WCSP (in review)
Piper manausense Yunck. Unresolved L WCSP (in review)
Piper mandinganum Trel. & Yunck. Synonym L TRO
Piper mandonii C. DC. Synonym M TRO
Piper manillanum Miq. Unresolved L WCSP (in review)
Piper mannii C.DC. Unresolved L WCSP (in review)
Piper mansericheanum Trel. Accepted M TRO
Piper manzanillanum C.DC. Unresolved L WCSP (in review)
Piper mapirense C. DC. Accepted M TRO
Piper mapirense var. magnifolium C. DC. Synonym L TRO
Piper maraccasense Trel. Unresolved L WCSP (in review)
Piper maranyonense Trel. Accepted M TRO
Piper maravalanum Trel. Unresolved L WCSP (in review)
Piper marcescentispicum Trel. Synonym L TRO
Piper marcoanum C.DC. Unresolved L WCSP (in review)
Piper marequitense C. DC. Accepted M TRO
Piper margaretae Trel. Synonym M TRO
Piper margaritanum C. DC. Synonym M TRO
Piper margaritatum Trel. Accepted M TRO
Piper margaritiferum Bertero ex Steud. Unresolved L WCSP (in review)
Piper marginatibaccum Trel. Synonym M TRO
Piper marginatihaccum Trel. Unresolved L WCSP (in review)
Piper marginatum Jacq. Accepted M WCSP (in review)
Piper marginatum var. anisatum (Kunth) C.DC. Synonym L WCSP (in review)
Piper marginatum var. catalpaefolium (Kunth) C. DC. Synonym L TRO
Piper marginatum f. catalpaefolium (Kunth) Steyerm. Accepted L TRO
Piper marginatum var. clausum Yunck. Synonym L TRO
Piper marginatum var. marginatum Accepted L TRO
Piper marginatum var. niceforoi (Trel. & Yunck.) Steyerm. Accepted L WCSP (in review)
Piper marianum Opiz Synonym M TRO
Piper maritimum Blume ex C.DC. Unresolved L WCSP (in review)
Piper marivelesanum C.DC. Unresolved L WCSP (in review)
Piper marmoreum Trel. Synonym M TRO
Piper marowinianum C. DC. Synonym M TRO
Piper marowynense C. DC. Synonym M TRO
Piper marsupiatum Trel. & Yunck. Synonym M TRO
Piper marsupiiferum Trel. Accepted M TRO
Piper martensianum C. DC. Accepted M TRO
Piper martianum (Kunth) Kunth ex C. DC. Accepted M TRO
Piper martinense Trel. Accepted M TRO
Piper martinicense C.DC. Unresolved L WCSP (in review)
Piper martinii C. DC. Synonym L TRO
Piper marturetense Trel. & Yunck. Accepted M WCSP (in review)
Piper mas Trel. Synonym M TRO
Piper mascarena C. DC. Unresolved L TRO
Piper mascarense D.Dietr. Unresolved L WCSP (in review)
Piper masiseanum Trel. Synonym M TRO
Piper massiei C.DC. Unresolved L WCSP (in review)
Piper mastersianum C.DC. Unresolved L WCSP (in review)
Piper matangaum C.DC. Unresolved L WCSP (in review)
Piper maternale Trel. Synonym M TRO
Piper mathewsii C. DC. Accepted M TRO
Piper matinanum C. DC. Synonym M TRO
Piper matthewii Dunn Synonym M TRO
Piper matudae Lundell Unresolved L WCSP (in review)
Piper mauritianum Schult. Unresolved L WCSP (in review)
Piper maxonii C. DC. Accepted M TRO
Piper maxonii var. varium (Trel.) Yunck. Synonym L TRO
Piper maxwellanum C.DC. Unresolved L WCSP (in review)
Piper mayanum Lundell Synonym L TRO
Piper maynasianum C. DC. Synonym M TRO
Piper maypurense (Kunth) Poir. Synonym M WCSP (in review)
Piper mazamariense Yunck. Accepted M TRO
Piper mcvaughii Bornst. Unresolved L WCSP (in review)
Piper mearnsii C.DC. Unresolved L WCSP (in review)
Piper medinaense Yunck. Unresolved L WCSP (in review)
Piper medinillifolium Quisumb. Unresolved L WCSP (in review)
Piper mediocre C. DC. Accepted M TRO
Piper medium Jacq. Synonym L WCSP (in review)
Piper medium var. ceanothifolium (Kunth) Trel. & Yunck. Synonym L TRO
Piper medium var. perglabrum Yunck. Synonym L TRO
Piper meeboldii C.DC. Unresolved L WCSP (in review)
Piper megalophyllum C. DC. Synonym M TRO
Piper megalophyllum var. connivens C. DC. Synonym L TRO
Piper mekongense C. DC. Synonym M TRO
Piper melanocarpum Ridl. Unresolved L WCSP (in review)
Piper melanocaulon Quisumb. Unresolved L WCSP (in review)
Piper melanocladum C. DC. Accepted M TRO
Piper melanopremnum Trel. & Ekman Unresolved L WCSP (in review)
Piper melanostachyum C.DC. Unresolved L WCSP (in review)
Piper melanostictum (Miq.) C. DC. Accepted L TRO
Piper melastomoides Schltdl. & Cham. Accepted M TRO
Piper melchior (Sykes) M.A. Jaram. Accepted M TRO
Piper melendezense Trel. Synonym M TRO
Piper mellibracteaum Trel. Accepted M TRO
Piper melula Trel. Unresolved L WCSP (in review)
Piper membranaceum C.DC. Unresolved L WCSP (in review)
Piper mendezense Yunck. Accepted M TRO
Piper meraense Trel. & Yunck. Synonym M TRO
Piper mercedense Trel. Accepted M TRO
Piper mercens Yunck. Unresolved L WCSP (in review)
Piper meritum Trel. Synonym M TRO
Piper merrillii C.DC. Unresolved L WCSP (in review)
Piper merrittii C.DC. Unresolved L WCSP (in review)
Piper mertonii F.M.Bailey Unresolved L WCSP (in review)
Piper metallicum Hallier f. Unresolved L WCSP (in review)
Piper metanum Trel. & Yunck. Accepted M WCSP (in review)
Piper metapalcoensis C. DC. Accepted M TRO
Piper methysticum L.f. Unresolved L WCSP (in review)
Piper methysticum Roxb. Unresolved L WCSP (in review)
Piper methysticum G.Forst. Unresolved L WCSP (in review)
Piper methysticum var. wichmannii (C. DC.) Lebot Unresolved L TRO
Piper mexiae Trel. & Yunck. Accepted M TRO
Piper mexicanum (Miq.) DC. Accepted L TRO
Piper michelianum C. DC. Accepted M TRO
Piper micoense Trel. Synonym M TRO
Piper miconiifolium (Benth.) C. DC. Synonym L TRO
Piper micrantherum C. DC. Synonym M TRO
Piper micronesiacum Hosok. Unresolved L WCSP (in review)
Piper microphyllum (Kunth) Poir. Synonym M WCSP (in review)
Piper microstachyum Vahl Synonym M TRO
Piper microstigma (Miq.) C. DC. Accepted L TRO
Piper middlesexense Trel. ex Standl. Synonym M TRO
Piper miersinum (Miq.) C. DC. Accepted L TRO
Piper miersinum var. balsapambae C. DC. Synonym L TRO
Piper miersinum var. magnifolium C. DC. Synonym L TRO
Piper miguel-conejoanum Trel. & Yunck. Unresolved L WCSP (in review)
Piper mikaniaefolium Trel. Accepted M TRO
Piper mikanianum (Kunth) Steud. Accepted M TRO
Piper mikanianum f. clausum Yunck. Synonym L TRO
Piper mikanianum var. peltatum Yunck. Synonym L TRO
Piper mikanianum var. pilosius C. DC. Accepted L TRO
Piper mikarianum Steud. Unresolved L WCSP (in review)
Piper mikii M.Hiroe Unresolved L WCSP (in review)
Piper milciadesii Trel. & Yunck. Synonym M TRO
Piper millegranum Yunck. Accepted M WCSP (in review)
Piper millepunctulatum Trel. & Yunck. Unresolved L WCSP (in review)
Piper milleri Roem. & Schult. Synonym M TRO
Piper milleri C. DC. Synonym M TRO
Piper millii C.DC. Unresolved L WCSP (in review)
Piper minahassae C.DC. ex Koord. Unresolved L WCSP (in review)
Piper minasarum Steyerm. Accepted M WCSP (in review)
Piper mindoense C. DC. Synonym M TRO
Piper miniatum (Miq.) Blume Accepted L TRO
Piper miniatum var. hirtellum (Miq.) C. DC. Accepted L TRO
Piper minus K.Schum. & Lauterb. Unresolved L WCSP (in review)
Piper minutantherum C.DC. Unresolved L WCSP (in review)
Piper minute-scabiosum Trel. Accepted M TRO
Piper minute-scabiosum var. arborescens Trel. Synonym L TRO
Piper minutipetiolum C.DC. Unresolved L WCSP (in review)
Piper minutispicum C. DC. Synonym M TRO
Piper minutistigmum C.DC. Unresolved L WCSP (in review)
Piper miquelianum C.DC. Accepted M WCSP (in review)
Piper miquelii C. DC. Synonym L TRO
Piper mirabile Trel. Synonym M TRO
Piper miradorense C. DC. Synonym L TRO
Piper miramarense Trel. & Yunck. Synonym L TRO
Piper misantlense C. DC. Accepted M TRO
Piper mischocarpum Y.Q. Tseng Accepted M TRO
Piper mishuyacuense Trel. Accepted M TRO
Piper misionesanum C. DC. Synonym M TRO
Piper mite Ruiz & Pav. Accepted M TRO
Piper mitifolium Trel. Accepted M TRO
Piper mituense Trel. & Yunck. Accepted M TRO
Piper moccomocco Trel. Accepted M TRO
Piper mocoanum Trel. & Yunck. Unresolved L WCSP (in review)
Piper modestum (Miq.) C. DC. Accepted L TRO
Piper moense C.DC. Unresolved L WCSP (in review)
Piper moense var. xapuryense (C. DC.) Yunck. Unresolved L TRO
Piper mohomoho C. DC. Accepted M TRO
Piper molanoi Trel. & Yunck. Synonym L TRO
Piper molle Poir. Synonym M TRO
Piper mollicomum (Kunth) Steud. Accepted M WCSP (in review)
Piper mollicomum Kunth Unresolved L TRO
Piper mollipilosum C.DC. Unresolved L WCSP (in review)
Piper mollipilum Yunck. Synonym M TRO
Piper mollis C. DC. Unresolved L TRO
Piper mollissimum Blume Synonym M TRO
Piper molliusculum Sodiro Accepted M TRO
Piper moluccanum Spreng. Unresolved L WCSP (in review)
Piper mombachanum C. DC. Synonym M TRO
Piper monagasense Yunck. Accepted M WCSP (in review)
Piper monostachion Vell. Unresolved L WCSP (in review)
Piper monostachyos Poir. Unresolved L WCSP (in review)
Piper monostachyum (Ruiz & Pav.) Vahl Synonym M TRO
Piper monostigmum C. DC. Accepted M TRO
Piper montanum C. DC. Accepted M TRO
Piper montealegreanum Yunck. Accepted M WCSP (in review)
Piper monteluctans Trel. Synonym M TRO
Piper monteverdeanum C.DC. Unresolved L WCSP (in review)
Piper montium C.DC. Unresolved L WCSP (in review)
Piper montivagum Ridl. Unresolved L WCSP (in review)
Piper monurum Trel. & Yunck. Accepted M TRO
Piper monzonense C. DC. Accepted M TRO
Piper moraballianum Trel. Synonym M TRO
Piper morator Trel. Synonym M TRO
Piper moreletii C.DC. Unresolved L WCSP (in review)
Piper morelianum Yunck. Unresolved L WCSP (in review)
Piper morilloi Steyerm. Accepted M WCSP (in review)
Piper morisonianum C.DC. Accepted M WCSP (in review)
Piper moritzianum (Miq.) C. DC. Synonym L TRO
Piper mornicola C.DC. Unresolved L WCSP (in review)
Piper mosaicum Steyerm. Accepted M WCSP (in review)
Piper moscopanense Yunck. Accepted M TRO
Piper mosenii C. DC. Accepted M TRO
Piper mourae Yunck. Unresolved L WCSP (in review)
Piper moyobambanum Trel. Accepted M TRO
Piper mucronatum Rich. ex C.DC. Unresolved L WCSP (in review)
Piper mucronulatum Blume Unresolved L WCSP (in review)
Piper muelleri C. DC. Accepted M TRO
Piper mullesua Buch.-Ham. ex D. Don Accepted M TRO
Piper mullinodum C.DC. Unresolved L WCSP (in review)
Piper multiforme Trel. & Yunck. Unresolved L WCSP (in review)
Piper multimammosum Trel. Accepted M TRO
Piper multinervium M. Martens & Galeotti Synonym M TRO
Piper multinervium Trel. Synonym M TRO
Piper multinervium var. amplum Trel. Synonym L TRO
Piper multinervium var. flavicans Trel. Synonym L TRO
Piper multinervium var. hirsuticaule Trel. Synonym L TRO
Piper multinervium var. kantelolense Trel. Synonym L TRO
Piper multinervium var. paralense Trel. Synonym L TRO
Piper multinervium var. peracutum Trel. Synonym L TRO
Piper multinervium var. productipes Trel. Synonym L TRO
Piper multinervium var. protractifolium Trel. Synonym L TRO
Piper multinervium var. puberulipedunculum Trel. Synonym L TRO
Piper multinervium var. pubescenticaule Trel. Synonym L TRO
Piper multinervium var. skutchii Trel. Synonym L TRO
Piper multinervium var. telanum Trel. Synonym L TRO
Piper multinodum C.DC. Unresolved L WCSP (in review)
Piper multiplinervium C.DC. Accepted M WCSP (in review)
Piper multistigmum C.DC. Unresolved L WCSP (in review)
Piper multitudinis Trel. Accepted M TRO
Piper multitudinis var. latum Trel. Synonym L TRO
Piper muluense O.Schwartz Unresolved L WCSP (in review)
Piper munchanum C.DC. Accepted M WCSP (in review)
Piper munchanum var. magnifolium C. DC. Synonym L TRO
Piper mundum Trel. Accepted M TRO
Piper muneyporense C.DC. Unresolved L WCSP (in review)
Piper mungpooanum C.DC. Unresolved L WCSP (in review)
Piper munyanum Trel. Accepted M TRO
Piper muricatum Blume Unresolved L WCSP (in review)
Piper murinum Roem. & Schult. Synonym M TRO
Piper murrayanum C.DC. Unresolved L WCSP (in review)
Piper muscosum Schult. Unresolved L WCSP (in review)
Piper musteum Trel. Accepted M TRO
Piper mutabile C. DC. Accepted M TRO
Piper mutisii Trel. & Yunck. Synonym M TRO
Piper myosuroides Rudge Synonym M WCSP (in review)
Piper myosurus Willd. Synonym M TRO
Piper myrmecophilum C.DC. Unresolved L WCSP (in review)
Piper myrtifolia Vahl Synonym M TRO
Piper mystaciferum Trel. Synonym M TRO
Piper nagaense C.DC. Unresolved L WCSP (in review)
Piper nagelii C.DC. Unresolved L WCSP (in review)
Piper naiguatanum Yunck. Synonym M WCSP (in review)
Piper nanayanum Trel. Accepted M TRO
Piper nanegalense Trel. & Yunck. Synonym L TRO
Piper nanum C. DC. Synonym M TRO
Piper napo-pastazanum Trel. & Yunck. Accepted M TRO
Piper naranjoanum C. DC. Synonym M TRO
Piper narinoense Yunck. Unresolved L WCSP (in review)
Piper naris-fractae Trel. Unresolved L TRO
Piper nasutum Trel. Accepted M TRO
Piper neblinanum Yunck. Accepted M WCSP (in review)
Piper nebuligaudens Yunck. Accepted M TRO
Piper neesianum C. DC. Accepted L TRO
Piper neglectum Trel. Accepted M TRO
Piper negritosense Trel. Synonym M TRO
Piper negrosense C.DC. Unresolved L WCSP (in review)
Piper nematanthera C. DC. Accepted M TRO
Piper nematanthera var. sagotii (C. DC.) Trel. & Yunck. Accepted L TRO
Piper nematostachyum (Link) Schult. Synonym M WCSP (in review)
Piper nemorale C.DC. Unresolved L WCSP (in review)
Piper nemorense C. DC. Synonym M TRO
Piper nemorimarginis Trel. Synonym L TRO
Piper nemorosum Vahl Synonym M TRO
Piper nepalense Miq. Synonym M TRO
Piper nephrophyllum Trel. ex T. Alberto Synonym M TRO
Piper nervosovenosum Blume Unresolved L WCSP (in review)
Piper neurostachyum C. DC. Synonym M TRO
Piper nhandi Rich. Unresolved L WCSP (in review)
Piper niceforoi Trel. & Yunck. Synonym M WCSP (in review)
Piper niceforoi var. glabricaule Yunck. Synonym L TRO
Piper nicoyanum C. DC. Synonym L TRO
Piper nieblyanum C. DC. Synonym M TRO
Piper nigramentum C.DC. Unresolved L WCSP (in review)
Piper nigrantherum C.DC. Unresolved L WCSP (in review)
Piper nigrescens Miq. Unresolved L WCSP (in review)
Piper nigrescens Blume Unresolved L WCSP (in review)
Piper nigribaccum C.DC. Unresolved L WCSP (in review)
Piper nigricans Willd. ex Link Unresolved L WCSP (in review)
Piper nigricaule Trel. Synonym M TRO
Piper nigriconnectivum C.DC. Unresolved L WCSP (in review)
Piper nigrinodum C.DC. Unresolved L WCSP (in review)
Piper nigrispicum C.DC. Unresolved L WCSP (in review)
Piper nigro-granulatum Trel. Synonym M TRO
Piper nigropunctatum C. DC. Accepted M TRO
Piper nigropunctatum var. franciscoanum C. DC. Synonym L TRO
Piper nigroramum C.DC. Unresolved L WCSP (in review)
Piper nigrovirens C.DC. Unresolved L WCSP (in review)
Piper nigrum L. Accepted M WCSP (in review)
Piper nigrum var. macrostachyum C. DC. Synonym L TRO
Piper nilghirianum C.DC. Unresolved L WCSP (in review)
Piper nirjulianum Gajurel, Rethy & Y.Kumar Unresolved L WCSP (in review)
Piper niteroiense Yunck. Unresolved L WCSP (in review)
Piper nitidifolium C. DC. Synonym M TRO
Piper nitidulifolium Trel. Synonym M TRO
Piper nitidulilaminum Trel. Synonym M TRO
Piper nitidulum Opiz Synonym L TRO
Piper nitidum Sw. Synonym M WCSP (in review)
Piper nitidum Vahl Synonym L TRO
Piper nobile C.DC. Accepted M WCSP (in review)
Piper nobile var. glabratum Yunck. Synonym L WCSP (in review)
Piper nodosum C. DC. Synonym M TRO
Piper nodulosum Link Synonym M TRO
Piper nonconformans Trel. Synonym M TRO
Piper nonretrorsum Trel. Synonym M TRO
Piper nottirbanum Trel. ex Stehlé Unresolved L WCSP (in review)
Piper nottirhanum Trel. ex Stehlé Unresolved L WCSP (in review)
Piper novae-helvetiae Trel. Synonym M TRO
Piper novae-hispaniae C.DC. Unresolved L WCSP (in review)
Piper novae-hispaniae Colla Unresolved L WCSP (in review)
Piper novae-hollandiae Miq. Unresolved L WCSP (in review)
Piper noveninervium C.DC. Unresolved L WCSP (in review)
Piper novo-granatense C. DC. Synonym L TRO
Piper novogalicianum Bornst. Unresolved L WCSP (in review)
Piper novoguineense Warb. Unresolved L WCSP (in review)
Piper nubigaudens Trel. Synonym M TRO
Piper nubigenum Kunth Accepted M WCSP (in review)
Piper nudibaccatum Y.Q. Tseng Accepted M TRO
Piper nudibracteatum C. DC. Synonym L TRO
Piper nudibracteatum var. micropuberulum Trel. & Yunck. Synonym L TRO
Piper nudibracteatum var. pubescens Trel. & Yunck. Synonym L TRO
Piper nudicaule C. DC. Synonym M TRO
Piper nudifolium C. DC. Accepted M TRO
Piper nudilimbum C. DC. Accepted M TRO
Piper nudipedunculum C.DC. Unresolved L WCSP (in review)
Piper nudiramum C.DC. Unresolved L WCSP (in review)
Piper nudispicuum C.DC. Unresolved L WCSP (in review)
Piper nudum C. DC. Accepted M TRO
Piper nummulariifolium Sw. Synonym M WCSP (in review)
Piper nummularium Lam. Synonym M TRO
Piper nuncupatum Trel. Accepted M TRO
Piper nutans Opiz Synonym M TRO
Piper nyrtifolium Vahl Unresolved L WCSP (in review)
Piper oaxacanum C. DC. Accepted M TRO
Piper obaldianum C. DC. Synonym M TRO
Piper obatense O.Schwartz Unresolved L WCSP (in review)
Piper obcordatum Stokes Unresolved L WCSP (in review)
Piper obesispicum S.Moore Unresolved L WCSP (in review)
Piper obesum Vahl Accepted M TRO
Piper obidosanum C. DC. ex Huber Unresolved L TRO
Piper obitersericeum Trel. Synonym M TRO
Piper oblanceolatum Trel. Synonym M TRO
Piper oblanceolatum var. fragilicaule Trel. Synonym L TRO
Piper oblancifolium Yunck. Accepted M WCSP (in review)
Piper oblique-ovatum Trel. Synonym M TRO
Piper obliquum Ruiz & Pav. Accepted L WCSP (in review)
Piper obliquum (Ruiz & Pav.) Pers. Unresolved L TRO
Piper obliquum Balb. ex Kunth Synonym M TRO
Piper obliquum var. eximium (Kunth) C.DC. Synonym L WCSP (in review)
Piper obliquum var. puberulidrupum Yunck. Synonym L TRO
Piper oblitum Trel. Synonym M TRO
Piper oblongatifolium Trel. Accepted M TRO
Piper oblongatilimbum Trel. Accepted M TRO
Piper oblongatum Opiz Accepted M TRO
Piper oblongibaccum C.DC. Unresolved L WCSP (in review)
Piper oblongifolium (Klotzsch) C. DC. Accepted L TRO
Piper oblongilimbum C. DC. Synonym L TRO
Piper oblongum Kunth Accepted M WCSP (in review)
Piper obloniaefolium C. DC. Unresolved L TRO
Piper obovantherum C.DC. Unresolved L WCSP (in review)
Piper obovatibracteum C.DC. Unresolved L WCSP (in review)
Piper obovatifolium Trel. Accepted M TRO
Piper obovatilimbum C. DC. Synonym L TRO
Piper obovatum Ruiz & Pav. Synonym M TRO
Piper obovatum var. bolivianum C. DC. Synonym L TRO
Piper obrumbatum C. DC. Synonym M TRO
Piper obrutum Trel. & Yunck. Unresolved L WCSP (in review)
Piper obscurum C.DC. Unresolved L WCSP (in review)
Piper obsessum Trel. Synonym M TRO
Piper obtusifolium L. Synonym M WCSP (in review)
Piper obtusilimbum C. DC. Accepted M TRO
Piper obtusissimum Miq. Unresolved L WCSP (in review)
Piper obtusistigmum C.DC. Unresolved L WCSP (in review)
Piper obtusum C.DC. Unresolved L WCSP (in review)
Piper obumbratifolium Trel. Synonym M TRO
Piper obumbratum (Miq.) C.DC. Synonym M WCSP (in review)
Piper obversum Vahl Unresolved L WCSP (in review)
Piper occultum Trel. Unresolved L WCSP (in review)
Piper ocoanum Trel. Unresolved L WCSP (in review)
Piper oculatiopicum Trel. Unresolved L TRO
Piper oculatispicum Trel. Accepted M TRO
Piper odoratum C.DC. Unresolved L WCSP (in review)
Piper oerstedii C. DC. Synonym M TRO
Piper offensum Trel. Accepted M TRO
Piper officinarum (Miq.) C. DC. Synonym L TRO
Piper okamotoi M.Hiroe Unresolved L WCSP (in review)
Piper oldhamii C.DC. Unresolved L WCSP (in review)
Piper olens C.DC. Unresolved L WCSP (in review)
Piper olfersianum Kunth Unresolved L WCSP (in review)
Piper olivaceum C. DC. Synonym L TRO
Piper ollantaitambanum Trel. Accepted M TRO
Piper omega Trel. Synonym M TRO
Piper onerosum Trel. Synonym M TRO
Piper onus Trel. Synonym M TRO
Piper ootacamundense C.DC. Unresolved L WCSP (in review)
Piper opacibracteum Trel. Synonym M TRO
Piper opacilimbum C.DC. Unresolved L WCSP (in review)
Piper oparumaense Yunck. Synonym L WCSP (in review)
Piper operosum Trel. Synonym M TRO
Piper opinatum Trel. Synonym M TRO
Piper opizianum (A. Dietr.) D. Dietr. Synonym M TRO
Piper opizianum Fuernr. Accepted M TRO
Piper opizii (Kunth) Steud. Accepted M TRO
Piper oppressum Trel. Synonym M TRO
Piper oradendron Trel. & Standl. Accepted M TRO
Piper orbiculatum Poir. Unresolved L WCSP (in review)
Piper orbiculatum Spreng. Unresolved L WCSP (in review)
Piper orenocanum C.DC. Synonym M WCSP (in review)
Piper oreophilum Ridl. Unresolved L WCSP (in review)
Piper orizabanum C. DC. Accepted M TRO
Piper ornatispicum Trel. Synonym M TRO
Piper ornatum N.E.Br. Unresolved L WCSP (in review)
Piper ornithorhynchum Trel. Accepted M TRO
Piper oroense Yunck. Accepted M TRO
Piper orosianum Trel. Synonym M TRO
Piper orthostachyum Kunth Synonym L TRO
Piper ossanum Trel. Unresolved L WCSP (in review)
Piper ostii Trel. Accepted M TRO
Piper otophorum C. DC. Accepted M TRO
Piper otophyllum C.DC. Unresolved L WCSP (in review)
Piper otto-huberi Steyerm. Accepted M WCSP (in review)
Piper ottoniifolium C. DC. Accepted L TRO
Piper ottoniifolium var. frutescens Trel. & Yunck. Synonym L TRO
Piper ottoniifolium var. latifolium Trel. & Yunck. Synonym L TRO
Piper ottonis (Miq.) C. DC. Synonym M TRO
Piper ottonoides Yunck. Unresolved L WCSP (in review)
Piper ovale C. DC. Synonym M TRO
Piper ovalifolium C. DC. Synonym M TRO
Piper ovantherum C. DC. Accepted M TRO
Piper ovatibaccum C.DC. Unresolved L WCSP (in review)
Piper ovatifolium Yunck. Synonym M TRO
Piper ovatilimbum C.DC. Unresolved L WCSP (in review)
Piper ovatistigmum C.DC. Unresolved L WCSP (in review)
Piper ovatoacuminatum C.DC. Unresolved L WCSP (in review)
Piper ovatostemon C.DC. Unresolved L WCSP (in review)
Piper ovatum Vahl Accepted M WCSP (in review)
Piper ovatum var. bolivianum C. DC. Synonym L TRO
Piper oviedoi Urb. Unresolved L WCSP (in review)
Piper oxycarpum C.DC. Unresolved L WCSP (in review)
Piper oxyphyllum C.DC. Unresolved L WCSP (in review)
Piper oxystachyum C.DC. Unresolved L WCSP (in review)
Piper pablense Trel. Synonym M TRO
Piper pabstii C. DC. Synonym L TRO
Piper pacacanum Trel. Synonym L TRO
Piper pachoanum C. DC. Accepted M TRO
Piper pachyarthrum K.Schum. Unresolved L WCSP (in review)
Piper pachyphloium C.DC. Unresolved L WCSP (in review)
Piper pachypholium C.DC. ex Kuntze Unresolved L WCSP (in review)
Piper pachyphyllum Sodiro Synonym M TRO
Piper pachystachyon C. DC. Synonym M TRO
Piper pachystylum Trel. Synonym M TRO
Piper padangense C.DC. Unresolved L WCSP (in review)
Piper padifolium (Kunth) C. DC. Accepted M TRO
Piper paezanum C. DC. Synonym M TRO
Piper paganicum Trel. Accepted M TRO
Piper paitense Schltr. Unresolved L WCSP (in review)
Piper palauense Hosok. Unresolved L WCSP (in review)
Piper palawanum C.DC. Unresolved L WCSP (in review)
Piper palestinanum Trel. & Yunck. Accepted M WCSP (in review)
Piper pallens Poir. Unresolved L WCSP (in review)
Piper pallescens C.DC. Synonym M WCSP (in review)
Piper pallidibracteum C. DC. Synonym M TRO
Piper pallididorsum Trel. Accepted M TRO
Piper pallidifolium C. DC. Synonym M TRO
Piper pallidilimbum C.DC. Unresolved L WCSP (in review)
Piper pallidirameum C. DC. Synonym M TRO
Piper pallidirameum var. subcrassifolium C. DC. Synonym L TRO
Piper pallidirameum var. sublongirameum C. DC. Synonym L TRO
Piper pallidirubrum C.DC. Unresolved L WCSP (in review)
Piper pallidum G.Forst. Unresolved L WCSP (in review)
Piper pallidum Salisb. Unresolved L WCSP (in review)
Piper pallidum Van Heurck & Müll.Arg. Unresolved L WCSP (in review)
Piper palmanum Trel. Synonym L TRO
Piper palmasanum C. DC. Synonym M TRO
Piper palmeri C.DC. Unresolved L WCSP (in review)
Piper paludicola Trel. ex Yunck. Synonym M TRO
Piper paludosum C. DC. Accepted M TRO
Piper palustre C. DC. Synonym L TRO
Piper pamploanum Trel. & Yunck. Unresolved L WCSP (in review)
Piper panamense C. DC. Synonym M TRO
Piper pandoense Yunck. Unresolved L WCSP (in review)
Piper panduratum C.DC. Unresolved L WCSP (in review)
Piper pangoense C. DC. Synonym M TRO
Piper pansamalanum C. DC. Synonym L TRO
Piper pantjarense C.DC. Unresolved L WCSP (in review)
Piper papantlense C. DC. Synonym L TRO
Piper papillicarpum Trel. Synonym L TRO
Piper papillicaule Trel. & Yunck. Accepted M TRO
Piper papilliferum Steyerm. Accepted M WCSP (in review)
Piper papillipetiolatum Trel. Synonym M TRO
Piper papulaecaule Trel. Synonym M TRO
Piper papulatum Trel. Synonym M TRO
Piper papyraceum Trel. Synonym M TRO
Piper paracaimanum C.DC. Unresolved L WCSP (in review)
Piper paraense (Miq.) C. DC. Accepted L TRO
Piper paraguassuanum C.DC. Unresolved L WCSP (in review)
Piper paraguayense D.Parodi Unresolved L WCSP (in review)
Piper paraisense Trel. Accepted M TRO
Piper paralaevigatum Trel. Accepted M TRO
Piper paramaribense C. DC. Accepted M TRO
Piper paramattense C.DC. Unresolved L WCSP (in review)
Piper paranapuranum Trel. Synonym M TRO
Piper paranum Yunck. Accepted M WCSP (in review)
Piper parapeltobryon Trel. Accepted M WCSP (in review)
Piper parcepilosum Trel. Synonym M TRO
Piper parcipilum C.DC. Unresolved L WCSP (in review)
Piper parcirameum C.DC. Unresolved L WCSP (in review)
Piper parcum Trel. & Yunck. Accepted M TRO
Piper pardinum C. DC. Synonym M TRO
Piper parianum Yunck. Accepted M WCSP (in review)
Piper parimanum Trel. Synonym M WCSP (in review)
Piper parkerianum (Miq.) C.DC. Synonym M WCSP (in review)
Piper parmatum Dressler Accepted M TRO
Piper parong Quisumb. Unresolved L WCSP (in review)
Piper parryanum Trel. Unresolved L WCSP (in review)
Piper parthenium Mart. Synonym M TRO
Piper parthenium C. DC. Synonym M TRO
Piper parthenium var. pilosius C. DC. Synonym L TRO
Piper partiticuspe Trel. Synonym M TRO
Piper parvantherum C.DC. Unresolved L WCSP (in review)
Piper parvibracteatum C.DC. Unresolved L WCSP (in review)
Piper parvicordulatum Trel. Accepted M TRO
Piper parvifolium Blanco Unresolved L WCSP (in review)
Piper parvilimbum C.DC. Unresolved L WCSP (in review)
Piper parvipedunculum C.DC. Unresolved L WCSP (in review)
Piper parvipetiolum C.DC. Unresolved L WCSP (in review)
Piper parvispica C.DC. Unresolved L WCSP (in review)
Piper parvulum M. Martens & Galeotti Synonym M TRO
Piper paso-anchoense Trel. Synonym M TRO
Piper pastasanum Diels Accepted M TRO
Piper pastasanum f. impilosum Diels Synonym L TRO
Piper pastasanum f. intermedium Diels Synonym L TRO
Piper pastasanum f. pleiotrichum Diels Synonym L TRO
Piper pastoense C. DC. Synonym M TRO
Piper patens Opiz Accepted M TRO
Piper patentifolium Trel. Accepted M TRO
Piper patulipilum Yunck. Synonym M WCSP (in review)
Piper patulum Bertol. Synonym M TRO
Piper patulum M. Martens & Galeotti Synonym M TRO
Piper patulum var. cordifolium Trel. Synonym L TRO
Piper patzulinum Trel. & Standl. Unresolved L WCSP (in review)
Piper paucartamboanum Trel. Accepted M TRO
Piper paucartamhoanum Trel. Unresolved L WCSP (in review)
Piper paucinerve C.DC. Unresolved L WCSP (in review)
Piper paucipilosum Yunck. Unresolved L WCSP (in review)
Piper pauciramosum Yunck. Unresolved L WCSP (in review)
Piper paucistigmum C.DC. Unresolved L WCSP (in review)
Piper paulianifolium Trel. Accepted M TRO
Piper paulianum C.DC. Unresolved L WCSP (in review)
Piper paulownifolium C. DC. Synonym M TRO
Piper pavasense Steyerm. [Illegitimate] Synonym M WCSP (in review)
Piper pavasense Trel. Synonym M TRO
Piper pavimentifolium Trel. Unresolved L WCSP (in review)
Piper pavonii (Miq.) C.DC. Accepted M WCSP (in review)
Piper pearcei Yunck. Unresolved L WCSP (in review)
Piper pebasense Trel. Accepted M TRO
Piper peculiare Trel. & Yunck. Unresolved L WCSP (in review)
Piper pedicellare C. DC. Synonym L TRO
Piper pedicellatum C. DC. Accepted M TRO
Piper pedicellosum Wall. Unresolved L WCSP (in review)
Piper pedunculare (Miq.) C. DC. Accepted L TRO
Piper pedunculatum C. DC. Synonym M TRO
Piper peekelii C.DC. Synonym M WCSP (in review)
Piper peepuloides Wall. Unresolved L WCSP (in review)
Piper peepuloides Roxb. Unresolved L WCSP (in review)
Piper pejivallense Trel. Synonym M TRO
Piper pelliticaule Trel. Synonym M TRO
Piper pellitum C. DC. Accepted M TRO
Piper pellucidum L. Synonym M WCSP (in review)
Piper peltaphyllum C. DC. Synonym M TRO
Piper peltaphyllum var. lasvueltasanum C. DC. Synonym L TRO
Piper peltatum L. Accepted M WCSP (in review)
Piper peltatum Ruiz & Pav. Unresolved L TRO
Piper peltatum var. colombianum C. DC. Synonym L TRO
Piper peltilimbum Yunck. Unresolved L WCSP (in review)
Piper peltobryon C.DC. Synonym L WCSP (in review)
Piper peltoideum (Kunth) Poir. Synonym M TRO
Piper penangense (Miq.) C. DC. Accepted L TRO
Piper pendens Trel. Synonym M TRO
Piper pendens var. infaustum Trel. Synonym L TRO
Piper pendentispicum Trel. & Yunck. Accepted M WCSP (in review)
Piper pendentispicum var. furcatipilosum (Yunck.) Steyerm. Accepted L WCSP (in review)
Piper pendentispicum var. tejamesmeanum Trel. & Yunck. Synonym L TRO
Piper pendulifolium C.DC. Unresolved L WCSP (in review)
Piper pendulirameum Trel. & Yunck. Accepted M TRO
Piper pendulispicum C.DC. Unresolved L WCSP (in review)
Piper pendulum Willd. ex Schult. Unresolved L WCSP (in review)
Piper pendulum Warb. Unresolved L WCSP (in review)
Piper pennellii Trel. & Yunck. Synonym L TRO
Piper penninerve C.DC. Unresolved L WCSP (in review)
Piper pentagonum Trel. Synonym M TRO
Piper pentandrum C.DC. Unresolved L WCSP (in review)
Piper penyasense Trel. & Yunck. Unresolved L WCSP (in review)
Piper peploides (Kunth) Poir. Synonym M TRO
Piper peracuminatum C. DC. Accepted M TRO
Piper peracutilimbum C.DC. Unresolved L WCSP (in review)
Piper perareolatum C. DC. Accepted M TRO
Piper peraromaticum C.DC. Unresolved L WCSP (in review)
Piper perbarbatum C.DC. Unresolved L WCSP (in review)
Piper perbrevicaule Yunck. Accepted M TRO
Piper perbrevicaule var. subglabrilimbum Yunck. Synonym L TRO
Piper perbrevispicum Yunck. Unresolved L WCSP (in review)
Piper perciliatum Trel. & Yunck. Accepted M WCSP (in review)
Piper percome Trel. Synonym M TRO
Piper percostatum Yunck. Unresolved L WCSP (in review)
Piper perenense Trel. Accepted M TRO
Piper pereskiifolium Jacq. Synonym M WCSP (in review)
Piper perforatum D.Dietr. Unresolved L WCSP (in review)
Piper perfugii Trel. Synonym M TRO
Piper pergamentifolium Trel. & Standl. Synonym M TRO
Piper pergeniculatum Trel. Synonym M TRO
Piper perhispidum C. DC. Accepted M TRO
Piper perijaense Steyerm. Accepted M WCSP (in review)
Piper perinaequilongum Trel. Synonym M TRO
Piper perlasense Yunck. Synonym M TRO
Piper perlongipedunculum Trel. & Standl. Unresolved L WCSP (in review)
Piper perlongipes Trel. Synonym L TRO
Piper perlongispicum Yunck. Synonym M WCSP (in review)
Piper perlongivillosum Yunck. Synonym M WCSP (in review)
Piper permari Trel. Synonym M TRO
Piper permolle Trel. & Yunck. Accepted M TRO
Piper permucronatum Yunck. Unresolved L WCSP (in review)
Piper pernigricans Trel. Accepted M TRO
Piper pernodosum Yunck. Unresolved L WCSP (in review)
Piper pernodulosum Trel. & Yunck. Synonym L TRO
Piper perobumbratum Trel. Synonym M TRO
Piper perpallidum Ekman, Urb. & Trel. Unresolved L WCSP (in review)
Piper perpilibracteum Yunck. Synonym L TRO
Piper perpilosum C.DC. Unresolved L WCSP (in review)
Piper perpuberulum Trel. Synonym M TRO
Piper perpunctatum C.DC. Unresolved L WCSP (in review)
Piper perpunctulatum Trel. Accepted M TRO
Piper perpurgatum Trel. Accepted M TRO
Piper perpusillum Callejas Unresolved L WCSP (in review)
Piper perrottetii C.DC. Unresolved L WCSP (in review)
Piper perscabrifolium Yunck. Unresolved L WCSP (in review)
Piper persicariifolium Kunth Unresolved L WCSP (in review)
Piper perspicuibracteum Trel. Synonym M TRO
Piper perstipulare Steyerm. Accepted M WCSP (in review)
Piper perstrigosum Yunck. Accepted M TRO
Piper persubulatum C. DC. Accepted M TRO
Piper pertiactatum Trel. Unresolved L WCSP (in review)
Piper pertinax Trel. & Yunck. Accepted L TRO
Piper pertomentellum Trel. & Yunck. Unresolved L WCSP (in review)
Piper pertractatum Trel. Synonym M TRO
Piper peruligerum Trel. Accepted M TRO
Piper peruvianum (Miq.) C. DC. Accepted L TRO
Piper pervelutinum Trel. Accepted M TRO
Piper pervenosum C. DC. ex L.J. Schroeder Accepted M TRO
Piper pervenulosum Yunck. Synonym M WCSP (in review)
Piper perverrucosum Trel. & Yunck. Accepted M WCSP (in review)
Piper pervicax Trel. Synonym M TRO
Piper pervillosum Trel. Synonym M TRO
Piper pervulgatum Trel. Accepted M TRO
Piper pervulsum Trel. & Yunck. Unresolved L WCSP (in review)
Piper pesaresanum C. DC. Synonym M TRO
Piper petaresanum C.DC. Unresolved L WCSP (in review)
Piper petiolare C.DC. Unresolved L WCSP (in review)
Piper petiolatum C.DC. Unresolved L WCSP (in review)
Piper petiolatum Hook.f. Unresolved L WCSP (in review)
Piper pexum Trel. Synonym M TRO
Piper phaeophyllum Trel. & Standl. Synonym M TRO
Piper phalangense C.DC. Unresolved L WCSP (in review)
Piper phanerolepidum Trel. Synonym M TRO
Piper phaneropus Trel. Unresolved L WCSP (in review)
Piper phegophyllum Trel. Synonym L TRO
Piper philippinense C.DC. Unresolved L WCSP (in review)
Piper philippinum Miq. Accepted M TRO
Piper philodendmn Ridl. Unresolved L WCSP (in review)
Piper philodendroides Standl. & Steyerm. Unresolved L WCSP (in review)
Piper photomorphe C. DC. Accepted M TRO
Piper phthinotrichon (Miq.) C. DC. Synonym L TRO
Piper phthinotrichon var. sanroqueanum Trel. Synonym L TRO
Piper phuwuaense Chaveer. & Tanee Unresolved L WCSP (in review)
Piper phyllanthus Willd. ex A.Dietr. Unresolved L WCSP (in review)
Piper phyllostictum (Miq.) C. DC. Accepted L TRO
Piper phytolaccifolium Opiz Accepted L WCSP (in review)
Piper phytolaccifolium var. carabobense (C.DC.) Steyerm. Accepted L WCSP (in review)
Piper phytolaccifolium var. peltobryon (C.DC.) Trel. & Yunck. Synonym L WCSP (in review)
Piper phytolaccifolium f. peltobryon (C.DC.) Steyerm. Synonym L WCSP (in review)
Piper picardae C.DC. Unresolved L WCSP (in review)
Piper picardae var. pilinervium Trel. Synonym L TRO
Piper pichisense Trel. Synonym M TRO
Piper picobonitoense F.G. Coe & Bornst. Unresolved L TRO
Piper pictamentum Trel. Synonym M TRO
Piper pictamentum var. fluminis Trel. Synonym L TRO
Piper piedadesense Trel. Synonym M TRO
Piper piedecuestanum Trel. & Yunck. Unresolved L WCSP (in review)
Piper pierrei C. DC. Synonym M TRO
Piper pileatum Trel. Synonym M TRO
Piper pileatum var. obliquum Trel. Synonym L TRO
Piper pilgeri C.DC. Accepted M WCSP (in review)
Piper pilibaccum C. DC. Synonym M TRO
Piper pilibracteum Trel. & Yunck. Unresolved L WCSP (in review)
Piper pilinervium C. DC. Synonym M TRO
Piper pilipedunculum C.DC. Unresolved L WCSP (in review)
Piper pilipes C.DC. Unresolved L WCSP (in review)
Piper pilirameum C. DC. Synonym M TRO
Piper pilirameum f. b C. DC. Synonym L TRO
Piper pilirameum var. subglabrum Yunck. Synonym L TRO
Piper pilispicum C.DC. Unresolved L WCSP (in review)
Piper pilobracteatum Chaveer. & Sudmoon Unresolved L WCSP (in review)
Piper pilosissimum Yunck. Accepted M TRO
Piper pilosiusculum Opiz Synonym L TRO
Piper pilosulinodum C.DC. Unresolved L WCSP (in review)
Piper pilosum (Ruiz & Pav.) Vahl Synonym M TRO
Piper pilovarium Yunck. Accepted M TRO
Piper piluliferifolium Trel. & Yunck. Unresolved L WCSP (in review)
Piper piluliferum Kunth Accepted M TRO
Piper pinaresanum Trel. & Yunck. Unresolved L WCSP (in review)
Piper pinedoana Trel. Accepted M TRO
Piper pinetorum Standl. & Steyerm. Unresolved L WCSP (in review)
Piper pingbienense Y.Q. Tseng Accepted M TRO
Piper pinguifolium C. DC. Accepted M TRO
Piper pinguispicum C.DC. & Koord. Unresolved L WCSP (in review)
Piper pinoganense Trel. Accepted M TRO
Piper pinuna-negroense Trel. & Yunck. Unresolved L WCSP (in review)
Piper piojoanum Trel. & Yunck. Accepted L TRO
Piper piritubanum Yunck. Synonym M TRO
Piper piscatorum Trel. & Yunck. Accepted M WCSP (in review)
Piper pisoense C. DC. Synonym L TRO
Piper pitalitoense Yunck. Unresolved L WCSP (in review)
Piper pitanum C. DC. Synonym M TRO
Piper pittieri C. DC. Accepted M TRO
Piper plagiocladum C. DC. Synonym M TRO
Piper plagiophyllum K.Schum. & Lauterb. Unresolved L WCSP (in review)
Piper planifolium Poir. Unresolved L WCSP (in review)
Piper planipes Trel. Accepted M TRO
Piper planitiei Trel. & Yunck. Unresolved L WCSP (in review)
Piper plantagineum Lam. Synonym L WCSP (in review)
Piper plantaginifolium D.Dietr. Unresolved L WCSP (in review)
Piper platannanum Trel. Unresolved L WCSP (in review)
Piper platylobum Sodiro Accepted M TRO
Piper platyphyllum (Benth.) C. DC. Accepted L TRO
Piper playa-blancanum Trel. Synonym M TRO
Piper pleiocarpum C.C. Chang ex Y.Q. Tseng Accepted M TRO
Piper pleninervosum Trel. Synonym M TRO
Piper plicatum D.Dietr. Unresolved L WCSP (in review)
Piper plukenetianum C.DC. Unresolved L WCSP (in review)
Piper plumbeicolor Trel. Synonym M TRO
Piper plurinervosum Yunck. Accepted M WCSP (in review)
Piper poasanum C. DC. Accepted M TRO
Piper podandrum C.DC. Unresolved L WCSP (in review)
Piper poeppigii (Klotzsch) C. DC. Synonym M TRO
Piper poeppigii (Kunth) Steud. Synonym M TRO
Piper poeppiguum C. DC. Unresolved L TRO
Piper pogonioneuron Trel. & Standl. Unresolved L WCSP (in review)
Piper pohlianum (Miq.) C. DC. Accepted M TRO
Piper poiretianum C.DC. Unresolved L WCSP (in review)
Piper poiteanum Steud. Synonym M WCSP (in review)
Piper poiteanum Kunth Synonym M TRO
Piper polisanum C.DC. Unresolved L WCSP (in review)
Piper politaereum Trel. Accepted M TRO
Piper politifolium C.DC. Unresolved L WCSP (in review)
Piper politii Yunck. Accepted M WCSP (in review)
Piper politum C. DC. Accepted M TRO
Piper polybotryon Spreng. Synonym M TRO
Piper polybotryum Poir. Synonym M TRO
Piper polybotryum Roem. & Schult. Synonym M TRO
Piper polycarpum Ridl. Unresolved L WCSP (in review)
Piper polycladum C.DC. Unresolved L WCSP (in review)
Piper polygynum C.DC. Unresolved L WCSP (in review)
Piper polyneurum C. DC. ex A. Schroed. Synonym M TRO
Piper polystachyon Aiton Unresolved L WCSP (in review)
Piper polystachyum C.DC. Unresolved L WCSP (in review)
Piper polysyphonum C. DC. Accepted M TRO
Piper polytrichum C.DC. Unresolved L WCSP (in review)
Piper ponapense C.DC. Unresolved L WCSP (in review)
Piper ponendum Trel. Synonym M TRO
Piper ponesheense C. DC. Accepted M TRO
Piper ponganum Trel. Accepted M TRO
Piper pontis Trel. Accepted M TRO
Piper popayanense C. DC. Accepted M TRO
Piper poporense Trel. & Yunck. Accepted M TRO
Piper populifolium (Kunth) Kunth ex C. DC. Accepted M TRO
Piper porphyrophyllum N.E.Br. Unresolved L WCSP (in review)
Piper portachueloense Trel. & Yunck. Synonym M WCSP (in review)
Piper portalense Trel. Synonym M TRO
Piper portobellense C. DC. Synonym L TRO
Piper portulacaefolium Roem. & Schult. Synonym M TRO
Piper portulacoides Lam. Synonym M TRO
Piper porveniricola Trel. Accepted M TRO
Piper poscitum Trel. & Yunck. Accepted M TRO
Piper positum Trel. Accepted M TRO
Piper postelsianum Maxim. Synonym M TRO
Piper posusanum Trel. Accepted M TRO
Piper potamogetonifolium Opiz Unresolved L WCSP (in review)
Piper potamophilum Trel. & Yunck. Unresolved L WCSP (in review)
Piper pothifolium Kunth Synonym M TRO
Piper pothifolium (Kunth) Kunth ex C. DC. Accepted M TRO
Piper pothiforme Wall. ex C.DC. Unresolved L WCSP (in review)
Piper pothoides Wall. Unresolved L WCSP (in review)
Piper pothomorphe (Miq.) C. DC. Accepted L TRO
Piper pothophyllum Trel. Accepted M TRO
Piper poueri A.H. Gentry Unresolved L TRO
Piper praeacutilimbum C.DC. Unresolved L WCSP (in review)
Piper praeclarum Trel. Synonym L TRO
Piper praecox C.DC. Unresolved L WCSP (in review)
Piper praegnans Rich. ex C.DC. Unresolved L WCSP (in review)
Piper praemollitum Trel. Synonym M TRO
Piper praemorsum Rottb. ex Vahl Synonym L TRO
Piper praesagium Trel. & Yunck. Unresolved L WCSP (in review)
Piper praeterlatum Trel. Synonym M TRO
Piper premnospicum Tebbs Unresolved L WCSP (in review)
Piper preslii C. DC. Synonym M TRO
Piper presliiaingii C. DC. Unresolved L TRO
Piper prianamense C.DC. Unresolved L WCSP (in review)
Piper prietoi Yunck. Accepted M TRO
Piper prismaticum C. DC. Synonym L TRO
Piper prismaticum var. magnifolium (C. DC.) Trel. Unresolved L TRO
Piper prismaticum var. tilaranum Trel. Synonym L TRO
Piper prismaticum var. villosulum Trel. Synonym L TRO
Piper procerifolium C.DC. Unresolved L WCSP (in review)
Piper procerum Trel. Accepted M TRO
Piper prodigum Trel. Synonym M TRO
Piper productispicum Yunck. Synonym M TRO
Piper propinquum C.DC. Unresolved L WCSP (in review)
Piper propinquum var. brevistylum Trel. Synonym L TRO
Piper propinquum var. grande Trel. Synonym L TRO
Piper propinquum var. propinquum Synonym L TRO
Piper protracticuspidatum Trel. & Yunck. Unresolved L WCSP (in review)
Piper protractispicum C.DC. Unresolved L WCSP (in review)
Piper protractum C.DC. Unresolved L WCSP (in review)
Piper pruinosum Kunth Synonym M WCSP (in review)
Piper prunifolium J.Jacq. Accepted M WCSP (in review)
Piper prunifolium subsp. artanthe Steyerm. Synonym L TRO
Piper prunifolium var. carboneranum (Yunck.) Steyerm. Accepted L WCSP (in review)
Piper prunifolium var. prunifolium Accepted L TRO
Piper prunifolium var. tachiranum (Yunck.) Steyerm. Synonym L WCSP (in review)
Piper pseudamboinense C.DC. Unresolved L WCSP (in review)
Piper pseudo-aduncum C. DC. Synonym M TRO
Piper pseudo-viridicaule Trel. Synonym M TRO
Piper pseudo-viridicaule var. nievicitanum Trel. Synonym L TRO
Piper pseudoacreanum Steyerm. Accepted M WCSP (in review)
Piper pseudoaequale Steyerm. Accepted M WCSP (in review)
Piper pseudoalbuginiferum Trel. Synonym M TRO
Piper pseudoamalago C.DC. Unresolved L WCSP (in review)
Piper pseudoarboreum Yunck. Accepted M TRO
Piper pseudoarmatum Yunck. Synonym M TRO
Piper pseudoasperifolium C. DC. Accepted M TRO
Piper pseudobarbatum C. DC. Accepted M TRO
Piper pseudoblattarum C.DC. Unresolved L WCSP (in review)
Piper pseudobredemeyeri Steyerm. Accepted M WCSP (in review)
Piper pseudocallosum Trel. Accepted M TRO
Piper pseudocativalense Trel. Accepted M TRO
Piper pseudochavica C.DC. Unresolved L WCSP (in review)
Piper pseudochurumayu (Kunth) Poepp. ex Steud. Synonym M WCSP (in review)
Piper pseudochurumayu (Kunth) C. DC. Synonym M TRO
Piper pseudochurumayu var. membranaceum C.DC. Synonym L WCSP (in review)
Piper pseudoconfusum C.DC. Unresolved L WCSP (in review)
Piper pseudocurvatum Trel. Synonym M TRO
Piper pseudodilatatum C. DC. Synonym M TRO
Piper pseudodivulgatum Steyerm. Accepted M WCSP (in review)
Piper pseudoeucalyptifolium Trel. & Yunck. Accepted M WCSP (in review)
Piper pseudofimbriulatum Trel. Synonym M TRO
Piper pseudoflexuosum Trel. Accepted M TRO
Piper pseudofuligineum C. DC. Synonym M TRO
Piper pseudogaragaranum Trel. Accepted M TRO
Piper pseudoglabrescens Trel. & Yunck. Accepted M WCSP (in review)
Piper pseudoglabrifolium Trel. Synonym L TRO
Piper pseudogrande Yunck. Unresolved L WCSP (in review)
Piper pseudohastularum Steyerm. Accepted M WCSP (in review)
Piper pseudohastulatum Steyerm. Unresolved L WCSP (in review)
Piper pseudojalapense McKown Unresolved L WCSP (in review)
Piper pseudolanceifolium Trel. Synonym M TRO
Piper pseudolanceolatum C. DC. Synonym M TRO
Piper pseudolindenii C. DC. Accepted M TRO
Piper pseudolindenii var. magnifolium C. DC. Synonym L TRO
Piper pseudomarginatum C. DC. Synonym M TRO
Piper pseudomatico Trel. Accepted M TRO
Piper pseudomollicomum C. DC. Accepted M TRO
Piper pseudomollicomum var. pseudomollicomum Accepted L TRO
Piper pseudomunchanum Trel. Accepted M TRO
Piper pseudonifrum C. DC. Unresolved L TRO
Piper pseudonigrum Velay. & Amalraj Unresolved L WCSP (in review)
Piper pseudonigrum C.DC. Unresolved L WCSP (in review)
Piper pseudonobile C. DC. Synonym L TRO
Piper pseudooblongum McKown Unresolved L WCSP (in review)
Piper pseudoperuvianum C. DC. Accepted M TRO
Piper pseudopopayanense Trel. & Yunck. Unresolved L WCSP (in review)
Piper pseudopothifolium C. DC. Synonym M TRO
Piper pseudopropinquum C. DC. Synonym M TRO
Piper pseudopsis C. DC. Synonym M TRO
Piper pseudorubeba Korth. ex Miq. Unresolved L WCSP (in review)
Piper pseudosylvaticum C.DC. Unresolved L WCSP (in review)
Piper pseudottonia E.F.Guim. & Ichaso Unresolved L WCSP (in review)
Piper pseudovariabile Trel. Synonym M TRO
Piper pseudovariabile var. collium Trel. Synonym L TRO
Piper pseudovariabile var. pachypus Trel. Synonym L TRO
Piper pseudovelutinum C. DC. Synonym L TRO
Piper pseudovelutinum var. flavescens C. DC. Synonym L TRO
Piper pseudovulgatum Steyerm. Unresolved L WCSP (in review)
Piper psilocarpum C. DC. Synonym M TRO
Piper psilocladum C. DC. Synonym L TRO
Piper psilophyllum C. DC. Accepted M TRO
Piper psilophyllum var. lanceifolium Yunck. Synonym L TRO
Piper psilorhachis C. DC. Accepted M TRO
Piper psilostachyum Kunth Accepted M TRO
Piper psittacorum Endl. Synonym M TRO
Piper pterocladum C. DC. Accepted M TRO
Piper pteropoda (Moric.) C. DC. Accepted M TRO
Piper pteropodon C.DC. Unresolved L WCSP (in review)
Piper pubarulipes C.DC. Unresolved L WCSP (in review)
Piper pubens Trel. Synonym M TRO
Piper puberulescens Trel. Accepted M TRO
Piper puberulibaccum C.DC. Unresolved L WCSP (in review)
Piper puberulibracteum C. DC. Synonym L TRO
Piper puberuliciliatum Yunck. Accepted M TRO
Piper puberulidrupum Yunck. Unresolved L WCSP (in review)
Piper puberulilimbum C. DC. Accepted M TRO
Piper puberulinerve C. DC. Accepted M TRO
Piper puberulinodum C.DC. Unresolved L WCSP (in review)
Piper puberulirameum C.DC. Unresolved L WCSP (in review)
Piper puberulispicum C.DC. Unresolved L WCSP (in review)
Piper puberulum (Benth.) Maxim. Synonym L TRO
Piper puberulum var. glabrum (C. DC.) A.C. Sm. Unresolved L TRO
Piper pubescens Vahl Unresolved L WCSP (in review)
Piper pubescens Haw. Unresolved L WCSP (in review)
Piper pubescens Sol. ex C.DC. Unresolved L WCSP (in review)
Piper pubescens Pers. Unresolved L WCSP (in review)
Piper pubibaccum C. DC. Accepted M TRO
Piper pubicatulum C. DC. Accepted M TRO
Piper pubinerve C. DC. Synonym M TRO
Piper pubinervulum C. DC. Accepted M TRO
Piper pubiovarium Yunck. Unresolved L WCSP (in review)
Piper pubipedunculum C.DC. Unresolved L WCSP (in review)
Piper pubipes C.DC. Unresolved L WCSP (in review)
Piper pubipetiolum C.DC. Unresolved L WCSP (in review)
Piper pubirhache C.DC. Unresolved L WCSP (in review)
Piper pubistipulum C. DC. Accepted M TRO
Piper pubistipulum var. eustylosum Trel. Synonym L TRO
Piper pubisubmarginalum Yunck. Unresolved L WCSP (in review)
Piper pubisubmarginatum Yunck. Unresolved L WCSP (in review)
Piper pubivaginatum Steyerm. Accepted M WCSP (in review)
Piper puente-altoanum Trel. Synonym M TRO
Piper pulchellum Aiton Unresolved L WCSP (in review)
Piper pulchrum C.DC. Unresolved L WCSP (in review)
Piper pulchrum var. copeyanum C. DC. Synonym L TRO
Piper pulchrum var. costaricense C. DC. Synonym L TRO
Piper pulicare D.Dietr. Unresolved L WCSP (in review)
Piper pulleanum Yunck. Unresolved L WCSP (in review)
Piper pullibaccum Trel. Unresolved L WCSP (in review)
Piper pullibracteatum Trel. Synonym M TRO
Piper pullispicum Trel. Accepted M TRO
Piper pulogense C.DC. Unresolved L WCSP (in review)
Piper pumilum D.Dietr. Unresolved L WCSP (in review)
Piper punctatissimum C.DC. Unresolved L WCSP (in review)
Piper punctatum Ruiz & Pav. Synonym M TRO
Piper puncticulatum Ridl. Unresolved L WCSP (in review)
Piper punctiunculatum Trel. Synonym M TRO
Piper punctulantherum C.DC. Unresolved L WCSP (in review)
Piper punctulatifolium Trel. Synonym L TRO
Piper punctulivenum C. DC. Synonym M TRO
Piper punctulivenum var. parvifolium C. DC. Synonym L TRO
Piper puniceum Trel. Accepted M TRO
Piper puraceanum Trel. & Yunck. Accepted M TRO
Piper purdiei C.DC. Unresolved L WCSP (in review)
Piper purpurascens D. Dietr. Synonym M TRO
Piper purpureum (Ruiz & Pav.) Vahl Synonym M TRO
Piper purpusianum Trel. Unresolved L WCSP (in review)
Piper purulentum Trel. & Yunck. Unresolved L WCSP (in review)
Piper purulhanum C. DC. Synonym M TRO
Piper purusanum Yunck. Unresolved L WCSP (in review)
Piper pusillum Blume Synonym M TRO
Piper pustulatum Yunck. Unresolved L WCSP (in review)
Piper pustulicaule Trel. Synonym M TRO
Piper putumayoense Trel. & Yunck. Unresolved L WCSP (in review)
Piper puyoense Yunck. Accepted M TRO
Piper pygmaeum Yunck. Accepted M TRO
Piper pykarahense C.DC. Unresolved L WCSP (in review)
Piper pyrifolium D. Dietr. Synonym M TRO
Piper pyrifolium Vahl Accepted M TRO
Piper quadrangulare J.V.Thomps. Synonym M WCSP (in review)
Piper quadrangulum Willd. ex Miq. Synonym M TRO
Piper quadratilimbum Trel. Synonym M TRO
Piper quadratiovarium Yunck. Unresolved L WCSP (in review)
Piper quadrifolium L. Synonym M WCSP (in review)
Piper quebradense Trel. Synonym M TRO
Piper quentinii Trel. Unresolved L WCSP (in review)
Piper quillandanum Trel. & Ekman Unresolved L WCSP (in review)
Piper quimirianum Trel. Accepted M TRO
Piper quinqueangulatum Miq. Unresolved L WCSP (in review)
Piper quinquenervium Warb. Unresolved L WCSP (in review)
Piper quintuplinervium C.DC. Unresolved L WCSP (in review)
Piper quiriguanum Trel. Synonym M TRO
Piper quitense C. DC. Accepted M TRO
Piper raapii C.DC. Unresolved L WCSP (in review)
Piper racemosum Vahl Synonym M TRO
Piper radicans Vahl Unresolved L WCSP (in review)
Piper radula Kunth Synonym M TRO
Piper rafaeli Trel. Synonym L TRO
Piper rafflesii (Miq.) C. DC. Accepted L TRO
Piper raizudoanum Trel. & Yunck. Unresolved L WCSP (in review)
Piper ramipilum C.DC. Unresolved L WCSP (in review)
Piper ramosense Yunck. Unresolved L WCSP (in review)
Piper ramosii C.DC. Unresolved L WCSP (in review)
Piper rarispicum C.DC. Unresolved L WCSP (in review)
Piper rarum C.DC. Accepted M WCSP (in review)
Piper rasile Trel. Accepted M TRO
Piper ratisportanum Trel. Synonym L TRO
Piper readii C.DC. Unresolved L WCSP (in review)
Piper realejoanum Hemsl. Unresolved L TRO
Piper realgoanum C. DC. Synonym L TRO
Piper recensitum Trel. Accepted M TRO
Piper recessum R.O.Gardner Unresolved L WCSP (in review)
Piper rechingeri C.DC. Unresolved L WCSP (in review)
Piper reciprocum Trel. Synonym M TRO
Piper recreoense Trel. Accepted M TRO
Piper rectamentum Trel. Synonym M TRO
Piper rectispicum Trel. Synonym M TRO
Piper recuperatum Trel. Synonym L TRO
Piper recurvatum Blume Unresolved L WCSP (in review)
Piper recurvum Blume Unresolved L WCSP (in review)
Piper recurvum Rich. ex C.DC. Unresolved L WCSP (in review)
Piper redactum Trel. Accepted M TRO
Piper reductipes Trel. Accepted M TRO
Piper reflexum L.f. Synonym M WCSP (in review)
Piper regale C. DC. Accepted M TRO
Piper regelii C.DC. Unresolved L WCSP (in review)
Piper regnellii (Miq.) C.DC. Accepted M WCSP (in review)
Piper regnellii var. glabrius C. DC. Synonym L TRO
Piper regnellii var. pallescens (C.DC.) Yunck. Synonym L WCSP (in review)
Piper regnellii var. parvifolium C. DC. Synonym L TRO
Piper regresivanum Trel. & Yunck. Unresolved L WCSP (in review)
Piper regressum Anders. in Miq. Synonym M TRO
Piper reinwardtianum (Miq.) C. DC. Accepted M TRO
Piper reitzii Yunck. Accepted M TRO
Piper relaxatum Trel. Accepted M TRO