| Costus acanthocephalus K.Schum. |
Accepted |
 |
WCSP |
| Costus acaulis S.Moore |
Synonym |
 |
WCSP |
| Costus acreanus (Loes.) Maas |
Accepted |
 |
WCSP |
| Costus adolphi-friderici Loes. |
Accepted |
 |
WCSP |
| Costus afer Ker Gawl. |
Accepted |
 |
WCSP |
| Costus afer var. maculatus (Roscoe) Baker |
Synonym |
 |
WCSP |
| Costus albus A.Chev. ex Koechlin |
Synonym |
 |
WCSP |
| Costus allenii Maas |
Accepted |
 |
WCSP |
| Costus amazonicus (Loes.) J.F.Macbr. |
Accepted |
 |
WCSP |
| Costus anachiri Jacq. |
Synonym |
 |
WCSP |
| Costus ananassae Hassk. |
Synonym |
 |
WCSP |
| Costus angustifolius Ker Gawl. |
Synonym |
 |
WCSP |
| Costus anomocalyx K.Schum. |
Synonym |
 |
WCSP |
| Costus appendiculatus Humb. & Bonpl. ex Schult. |
Synonym |
 |
WCSP |
| Costus arabicus L. |
Accepted |
 |
WCSP |
| Costus arabicus Vell. |
Unresolved |
 |
TRO |
| Costus araneosus Gagnep. |
Accepted |
 |
WCSP |
| Costus argenteus Ruiz & Pav. |
Synonym |
 |
WCSP |
| Costus argenteus K. Schum. |
Synonym |
 |
TRO |
| Costus argyrophyllus Wall. [Invalid] |
Synonym |
 |
WCSP |
| Costus arrabidae Steud. |
Synonym |
 |
WCSP |
| Costus asplundii (Maas) Maas |
Accepted |
 |
WCSP |
| Costus asteranthus Maas & H.Maas |
Accepted |
 |
WCSP |
| Costus bakeri K.Schum. |
Synonym |
 |
WCSP |
| Costus barbatus Suess. |
Accepted |
 |
WCSP |
| Costus beckii Maas & H.Maas |
Accepted |
 |
WCSP |
| Costus bicolor J.Braun & K.Schum. |
Accepted |
 |
WCSP |
| Costus bracteatus Gleason [Illegitimate] |
Synonym |
 |
WCSP |
| Costus bracteatus Rowlee |
Accepted |
 |
WCSP |
| Costus brasiliensis K.Schum. |
Synonym |
 |
WCSP |
| Costus bullatus Meekiong, Muliati & Ipor |
Accepted |
 |
WCSP |
| Costus cernuus Sw. ex Roem. & Schult. |
Synonym |
 |
WCSP |
| Costus chartaceus Maas |
Accepted |
 |
WCSP |
| Costus chinensis T.L.Wu & S.J.Chen |
Synonym |
 |
WCSP |
| Costus chrysocephalus K.Schum. |
Accepted |
 |
WCSP |
| Costus ciliatus Miq. |
Synonym |
 |
WCSP |
| Costus ciliatus Humb. & Bonpl. ex Schult. |
Synonym |
 |
WCSP |
| Costus claviger Benoist |
Accepted |
 |
WCSP |
| Costus clemensiae Ridl. |
Accepted |
 |
WCSP |
| Costus comosus (Jacq.) Roscoe |
Accepted |
 |
WCSP |
| Costus comosus var. bakeri (K.Schum.) Maas |
Accepted |
 |
WCSP |
| Costus congestiflorus Rich. ex Gagnep. |
Synonym |
 |
WCSP |
| Costus congestiflorus var. glabrior K.Schum. |
Synonym |
 |
WCSP |
| Costus congestus Rowlee |
Synonym |
 |
WCSP |
| Costus conicus Stokes [Illegitimate] |
Synonym |
 |
WCSP |
| Costus cordatus Maas |
Accepted |
 |
WCSP |
| Costus crispiflorus Stokes |
Synonym |
 |
WCSP |
| Costus cupreifolius Maas |
Accepted |
 |
WCSP |
| Costus curcumoides Maas |
Synonym |
 |
WCSP |
| Costus curvibracteatus Maas |
Accepted |
 |
WCSP |
| Costus cuspidatus (Nees & Mart.) Maas |
Synonym |
 |
WCSP |
| Costus cylindricus Jacq. |
Synonym |
 |
WCSP |
| Costus cylindricus var. acreanus Loes. |
Synonym |
 |
WCSP |
| Costus cylindricus var. anachiri (Jacq.) Petersen |
Synonym |
 |
WCSP |
| Costus cylindricus var. ciliatus (Miq.) Petersen |
Synonym |
 |
WCSP |
| Costus cylindricus var. pulcherrimus (Kuntze) K.Schum. |
Synonym |
 |
WCSP |
| Costus deistelii K.Schum. |
Accepted |
 |
WCSP |
| Costus dendrophilus K.Schum. |
Accepted |
 |
WCSP |
| Costus dewevrei De Wild. & T.Durand |
Accepted |
 |
WCSP |
| Costus dhaninivatii K.Larsen |
Synonym |
 |
WCSP |
| Costus dinklagei K.Schum. |
Accepted |
 |
WCSP |
| Costus dirzoi García-Mend. & G.Ibarra |
Accepted |
 |
WCSP |
| Costus discolor Roscoe |
Synonym |
 |
WCSP |
| Costus dubius (Afzel.) K.Schum. |
Accepted |
 |
WCSP |
| Costus dussii K.Schum. |
Synonym |
 |
WCSP |
| Costus eburneus Meekiong, Muliati & Tawan |
Accepted |
 |
WCSP |
| Costus echinatus Pers. |
Synonym |
 |
WCSP |
| Costus edulis De Wild. & T.Durand |
Synonym |
 |
WCSP |
| Costus elegans Petersen |
Synonym |
 |
WCSP |
| Costus englerianus K.Schum. |
Synonym |
 |
WCSP |
| Costus erythrocoryne K.Schum. |
Accepted |
 |
WCSP |
| Costus erythrophyllus Loes. |
Accepted |
 |
WCSP |
| Costus erythrothyrsus Loes. |
Accepted |
 |
WCSP |
| Costus fimbriatus Pellegr. |
Synonym |
 |
WCSP |
| Costus fissicalyx N.R.Salinas, Clavijo & Betancur |
Accepted |
 |
WCSP |
| Costus fissiligulatus Gagnep. |
Accepted |
 |
WCSP |
| Costus foeniculaceus Noronha |
Synonym |
 |
WCSP |
| Costus foliaceus Lock & A.D.Poulsen |
Accepted |
 |
WCSP |
| Costus formosanus Nakai |
Synonym |
 |
WCSP |
| Costus formosus C.V.Morton |
Synonym |
 |
WCSP |
| Costus fortalezae K.Schum. |
Accepted |
 |
WCSP |
| Costus fragilis Maas |
Synonym |
 |
WCSP |
| Costus friedrichsenii Petersen |
Synonym |
 |
WCSP |
| Costus friedrichsenii Woodson |
Synonym |
 |
TRO |
| Costus fusiformis Maas |
Synonym |
 |
WCSP |
| Costus gabonensis Koechlin |
Accepted |
 |
WCSP |
| Costus gagnepainii K.Schum. |
Synonym |
 |
WCSP |
| Costus geothyrsus K.Schum. |
Accepted |
 |
WCSP |
| Costus giganteus Welw. ex Ridl. |
Accepted |
 |
WCSP |
| Costus giganteus Kuntze [Illegitimate] |
Synonym |
 |
WCSP |
| Costus glaber (K.Schum.) Merr. |
Synonym |
 |
WCSP |
| Costus glabratus Sw. |
Synonym |
 |
WCSP |
| Costus glabratus Rchb. [Illegitimate] |
Synonym |
 |
WCSP |
| Costus glabratus var. niveopurpureus (Jacq.) Petersen |
Synonym |
 |
WCSP |
| Costus glaucus Maas |
Accepted |
 |
WCSP |
| Costus globosus Blume |
Synonym |
 |
WCSP |
| Costus globosus var. kingii (Baker) Holttum |
Synonym |
 |
WCSP |
| Costus globosus var. ridleyi (K.Schum.) Holttum |
Synonym |
 |
WCSP |
| Costus globosus var. velutinus (Ridl.) Holttum |
Synonym |
 |
WCSP |
| Costus gracilis Loes. |
Synonym |
 |
WCSP |
| Costus guanaiensis Rusby |
Accepted |
 |
WCSP |
| Costus guanaiensis var. asplundii Maas |
Synonym |
 |
WCSP |
| Costus guanaiensis var. macrostrobilus (K.Schum.) Maas |
Accepted |
 |
WCSP |
| Costus guanaiensis var. tarmicus (Loes.) Maas |
Accepted |
 |
WCSP |
| Costus guianicus Loes. |
Synonym |
 |
WCSP |
| Costus hirsutus Blume |
Synonym |
 |
WCSP |
| Costus hirsutus C.Presl |
Synonym |
 |
WCSP |
| Costus igneus N.E.Br. |
Synonym |
 |
WCSP |
| Costus insularis A.Chev. [Invalid] |
Synonym |
 |
WCSP |
| Costus juruanus K.Schum. |
Accepted |
 |
WCSP |
| Costus juruanus var. juruanus |
Synonym |
 |
TRO |
| Costus juruanus var. strigosus Maas |
Synonym |
 |
WCSP |
| Costus kaempferoides Loes. |
Synonym |
 |
WCSP |
| Costus kingii Baker |
Synonym |
 |
WCSP |
| Costus kunstleri King ex Ridl. |
Synonym |
 |
WCSP |
| Costus kuntzei K.Schum. |
Synonym |
 |
WCSP |
| Costus lacerus Gagnep. |
Synonym |
 |
WCSP |
| Costus laevis Ruiz & Pav. |
Accepted |
 |
WCSP |
| Costus lamingtonii F.M.Bailey |
Synonym |
 |
WCSP |
| Costus lanceolatus Petersen |
Synonym |
 |
WCSP |
| Costus lanceolatus subsp. pulchriflorus (Ducke) Maas |
Synonym |
 |
WCSP |
| Costus lasius Loes. |
Accepted |
 |
WCSP |
| Costus lateriflorus Baker |
Accepted |
 |
WCSP |
| Costus latifolius Gagnep. |
Synonym |
 |
WCSP |
| Costus laxus Petersen |
Synonym |
 |
WCSP |
| Costus le-testui Pellegr. |
Accepted |
 |
WCSP |
| Costus ledermannii Loes. |
Accepted |
 |
WCSP |
| Costus leucanthus Maas |
Accepted |
 |
WCSP |
| Costus ligularis Baker |
Accepted |
 |
WCSP |
| Costus lima K.Schum. |
Accepted |
 |
WCSP |
| Costus lima var. wedelianus Woodson |
Synonym |
 |
WCSP |
| Costus linearis Spreng. |
Synonym |
 |
WCSP |
| Costus littoralis K.Schum. |
Synonym |
 |
WCSP |
| Costus longibracteolatus Maas |
Accepted |
 |
WCSP |
| Costus longifolius Rusby |
Synonym |
 |
WCSP |
| Costus loureiroi Horan. |
Synonym |
 |
WCSP |
| Costus lucanusianus J.Braun & K.Schum. |
Accepted |
 |
WCSP |
| Costus lucanusianus var. major K.Schum. |
Synonym |
 |
WCSP |
| Costus luteus Blanco |
Synonym |
 |
WCSP |
| Costus maboumiensis Pellegr. |
Accepted |
 |
WCSP |
| Costus macranthus K.Schum. |
Accepted |
 |
WCSP |
| Costus macrostrobilus K.Schum. |
Synonym |
 |
WCSP |
| Costus maculatus Roscoe |
Accepted |
 |
WCSP |
| Costus malaccensis Retz. |
Synonym |
 |
WCSP |
| Costus malaccensis Koenig |
Synonym |
 |
TRO |
| Costus malortieanus H.Wendl. |
Accepted |
 |
WCSP |
| Costus malortieanus var. amazonicus Loes. |
Synonym |
 |
WCSP |
| Costus maritimus Standl. & L.O.Williams |
Synonym |
 |
WCSP |
| Costus maximus K.Schum. [Illegitimate] |
Synonym |
 |
WCSP |
| Costus megalobractea K.Schum. |
Accepted |
 |
WCSP |
| Costus mexicanus Liebm. |
Synonym |
 |
WCSP |
| Costus micranthus Gagnep. |
Synonym |
 |
WCSP |
| Costus microcephalus K.Schum. |
Accepted |
 |
WCSP |
| Costus monosperma Miq. |
Unresolved |
 |
TRO |
| Costus montanus Maas |
Accepted |
 |
WCSP |
| Costus mooreanus Rusby |
Synonym |
 |
WCSP |
| Costus mosaicus W.Bull |
Accepted |
 |
WCSP |
| Costus muluensis Meekiong, Ipor & Tawan |
Accepted |
 |
WCSP |
| Costus nemotrichus K.Schum. |
Accepted |
 |
WCSP |
| Costus ngouniensis Pellegr. |
Synonym |
 |
TRO |
| Costus nigricans Blanco |
Synonym |
 |
WCSP |
| Costus nipalensis Roscoe |
Synonym |
 |
WCSP |
| Costus nitidus Maas |
Accepted |
 |
WCSP |
| Costus niveopurpureus Jacq. |
Synonym |
 |
WCSP |
| Costus niveus G.Mey. |
Synonym |
 |
WCSP |
| Costus nudicaulis Baker |
Accepted |
 |
WCSP |
| Costus nutans K.Schum. |
Synonym |
 |
WCSP |
| Costus oblitterans K.Schum. |
Synonym |
 |
WCSP |
| Costus oblongus S.Q.Tong |
Accepted |
 |
WCSP |
| Costus oligophyllus K.Schum. |
Accepted |
 |
WCSP |
| Costus osae Maas & H.Maas |
Accepted |
 |
WCSP |
| Costus paradoxus K.Schum. |
Synonym |
 |
WCSP |
| Costus pauciflorus K.Schum. |
Synonym |
 |
WCSP |
| Costus paucifolius Gagnep. |
Synonym |
 |
WCSP |
| Costus phaeotrichus Loes. |
Accepted |
 |
WCSP |
| Costus phlociflorus Rusby |
Synonym |
 |
WCSP |
| Costus phyllocephalus K.Schum. |
Accepted |
 |
WCSP |
| Costus pictus D.Don |
Accepted |
 |
WCSP |
| Costus pilgeri K.Schum. |
Synonym |
 |
WCSP |
| Costus pilosissimus (Gagnep.) K.Schum. |
Synonym |
 |
WCSP |
| Costus pisonis Lindl. |
Synonym |
 |
WCSP |
| Costus pistiifolius K.Schum. |
Synonym |
 |
WCSP |
| Costus plicatus Maas |
Accepted |
 |
WCSP |
| Costus plowmanii Maas |
Accepted |
 |
WCSP |
| Costus podocephalus Donn.Sm. |
Synonym |
 |
WCSP |
| Costus potierae F.Muell. |
Synonym |
 |
WCSP |
| Costus prodigiosus A. Chev. |
Synonym |
 |
TRO |
| Costus productus Gleason ex Maas |
Accepted |
 |
WCSP |
| Costus productus var. productus |
Accepted |
 |
WCSP |
| Costus productus var. strigosus (Maas) Maas |
Accepted |
 |
WCSP |
| Costus pterometra K.Schum. |
Synonym |
 |
WCSP |
| Costus pubescens S.Moore |
Synonym |
 |
WCSP |
| Costus pubescens f. fibrillosus Loes. |
Synonym |
 |
WCSP |
| Costus puchucupango J.F.Macbr. |
Synonym |
 |
WCSP |
| Costus pulcherrimus Kuntze |
Synonym |
 |
WCSP |
| Costus pulcherrimus A.Chev. [Unplaced] |
Unresolved |
 |
WCSP |
| Costus pulchriflorus Ducke |
Synonym |
 |
WCSP |
| Costus pulverulentus C.Presl |
Accepted |
 |
WCSP |
| Costus pumilus Petersen |
Synonym |
 |
WCSP |
| Costus pumilus var. pilosissimus Gagnep. |
Synonym |
 |
WCSP |
| Costus pungens Teijsm. & Binn. |
Synonym |
 |
WCSP |
| Costus purpurascens Huber |
Unresolved |
 |
TRO |
| Costus quartus Roem. & Schult. [Invalid] |
Synonym |
 |
WCSP |
| Costus quasi-appendiculatus Woodson ex Maas |
Accepted |
 |
WCSP |
| Costus quintus Roem. & Schult. [Invalid] |
Synonym |
 |
WCSP |
| Costus radicans Gagnep. |
Synonym |
 |
WCSP |
| Costus ramosus Woodson |
Synonym |
 |
WCSP |
| Costus registrator Büsgen [Unplaced] |
Unresolved |
 |
WCSP |
| Costus ricus Maas & H.Maas |
Accepted |
 |
WCSP |
| Costus ridleyi K.Schum. |
Synonym |
 |
WCSP |
| Costus rosulifer Gagnep. |
Synonym |
 |
WCSP |
| Costus ruber C.Wright ex Griseb. |
Synonym |
 |
WCSP |
| Costus rumphianus Valeton ex K.Heyne |
Accepted |
 |
WCSP |
| Costus rurrenabaqueanus Rusby |
Synonym |
 |
WCSP |
| Costus sanguineus Donn.Sm. |
Synonym |
 |
WCSP |
| Costus sarmentosus Bojer |
Accepted |
 |
WCSP |
| Costus scaber Ruiz & Pav. |
Accepted |
 |
WCSP |
| Costus scaber Loes. |
Synonym |
 |
TRO |
| Costus scaber var. xlasius Ruiz & Pav. |
Synonym |
 |
TRO |
| Costus scaberulus Rich. ex Gagnep. |
Synonym |
 |
WCSP |
| Costus schlechteri H.J.P.Winkl. |
Accepted |
 |
WCSP |
| Costus secundus Spreng. |
Synonym |
 |
WCSP |
| Costus sepacuitensis Rowlee |
Accepted |
 |
WCSP |
| Costus septimus Roem. & Schult. [Invalid] |
Synonym |
 |
WCSP |
| Costus sericeus Blume |
Synonym |
 |
WCSP |
| Costus sextus Roem. & Schult. [Invalid] |
Synonym |
 |
WCSP |
| Costus sinningiiflorus Rusby |
Synonym |
 |
WCSP |
| Costus skutchii C.V.Morton |
Synonym |
 |
WCSP |
| Costus sopuensis Maas & H.Maas |
Synonym |
 |
WCSP |
| Costus speciosus (J.König) Sm. |
Synonym |
 |
WCSP |
| Costus speciosus var. angustifolius Ker Gawl. |
Synonym |
 |
WCSP |
| Costus speciosus var. argyrophyllus Wall. ex Baker |
Synonym |
 |
WCSP |
| Costus speciosus var. dilnavaziae M.R.Almeida & S.M.Almeida |
Synonym |
 |
WCSP |
| Costus speciosus var. formosanus (Nakai) S.S.Ying |
Synonym |
 |
WCSP |
| Costus speciosus var. glaber K.Schum. |
Synonym |
 |
WCSP |
| Costus speciosus var. hirsutus (Blume) K.Schum. |
Synonym |
 |
WCSP |
| Costus speciosus var. hirsutus Blume |
Synonym |
 |
TRO |
| Costus speciosus var. leocalyx Nakai |
Synonym |
 |
WCSP |
| Costus speciosus var. sericeus (Blume) K.Schum. |
Synonym |
 |
WCSP |
| Costus spectabilis (Fenzl) K.Schum. |
Accepted |
 |
WCSP |
| Costus spicatus (Jacq.) Sw. |
Accepted |
 |
WCSP |
| Costus spicatus var. pubescens Griseb. |
Synonym |
 |
WCSP |
| Costus spiralis (Jacq.) Roscoe |
Accepted |
 |
WCSP |
| Costus spiralis var. hirsutus Petersen |
Synonym |
 |
WCSP |
| Costus spiralis var. jacquinii Griseb. |
Synonym |
 |
WCSP |
| Costus spiralis var. pisonis Griseb. |
Synonym |
 |
WCSP |
| Costus spiralis var. roscoei Griseb. |
Synonym |
 |
WCSP |
| Costus spiralis var. spiralis |
Accepted |
 |
WCSP |
| Costus splendens Donn.Sm. & Türckh. |
Synonym |
 |
WCSP |
| Costus sprucei Maas |
Accepted |
 |
WCSP |
| Costus steinbachii Loes. |
Synonym |
 |
WCSP |
| Costus stenophyllus Standl. & L.O.Williams |
Accepted |
 |
WCSP |
| Costus subbiflorus K.Schum. |
Accepted |
 |
WCSP |
| Costus subsessilis (Nees & Mart.) Maas |
Synonym |
 |
WCSP |
| Costus sulfureus K.Schum. |
Accepted |
 |
WCSP |
| Costus talbotii Ridl. |
Accepted |
 |
WCSP |
| Costus tappenbeckianus J.Braun & K.Schum. |
Accepted |
 |
WCSP |
| Costus tappenbeckianus Braun-Blanq. & K. Schum. |
Unresolved |
 |
TRO |
| Costus tarapotensis J.F.Macbr. |
Synonym |
 |
WCSP |
| Costus tarmicus Loes. |
Synonym |
 |
WCSP |
| Costus tatei Rusby |
Synonym |
 |
WCSP |
| Costus tonkinensis Gagnep. |
Accepted |
 |
WCSP |
| Costus trachyphyllus K.Schum. |
Synonym |
 |
WCSP |
| Costus ubangiensis Gagnep. |
Accepted |
 |
WCSP |
| Costus ulei Loes. |
Accepted |
 |
WCSP |
| Costus ulugurensis K.Schum. |
Synonym |
 |
WCSP |
| Costus uniflorus Poepp. ex Petersen |
Synonym |
 |
WCSP |
| Costus unifolius N.E.Br. |
Synonym |
 |
WCSP |
| Costus vaginalis Salisb. |
Synonym |
 |
WCSP |
| Costus validus Loes. |
Synonym |
 |
WCSP |
| Costus vargasii Maas & H.Maas |
Accepted |
 |
WCSP |
| Costus varzearum Maas |
Accepted |
 |
WCSP |
| Costus velutinus Ridl. |
Synonym |
 |
WCSP |
| Costus verschaffeltianus Lem. |
Synonym |
 |
WCSP |
| Costus verschaffeltii Lem. |
Synonym |
 |
TRO |
| Costus villosissimus Jacq. |
Accepted |
 |
WCSP |
| Costus vinosus Maas |
Accepted |
 |
WCSP |
| Costus violaceus Koechlin |
Accepted |
 |
WCSP |
| Costus viridis S.Q.Tong |
Accepted |
 |
WCSP |
| Costus warburgii K.Schum. |
Synonym |
 |
WCSP |
| Costus warmingii Petersen |
Synonym |
 |
WCSP |
| Costus weberbaueri Loes. |
Synonym |
 |
WCSP |
| Costus wilsonii Maas |
Accepted |
 |
WCSP |
| Costus woodsonii Maas |
Accepted |
 |
WCSP |
| Costus zamoranus Steyerm. |
Accepted |
 |
WCSP |
| Costus zechii K.Schum. |
Synonym |
 |
WCSP |
| Costus zerumbet Pers. |
Synonym |
 |
WCSP |
| Costus zingiberoides J.F.Macbr. |
Accepted |
 |
WCSP |