The Plant List — A working list for all plant species

Houstonia

The genus Houstonia is in the family Rubiaceae in the major group Angiosperms (Flowering plants).

Statistics are at the end of the page.

Species in Houstonia

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

Name Status Confi­dence level Source Date supplied Infra. rec.
Houstonia acerosa (A.Gray) Benth. & Hook.f. Accepted H WCSP 2012-03-23 2
Houstonia biloba Raf. Unresolved L WCSP 2012-03-23
Houstonia caerulea L. Accepted H WCSP 2012-03-23
Houstonia canadensis Willd. ex Roem. & Schult. Accepted H WCSP 2012-03-23
Houstonia cervantesii Terrell Unresolved L TRO 2012-04-18
Houstonia chlorantha Bertol. Unresolved L WCSP 2012-03-23
Houstonia correllii (W.H.Lewis) Terrell Accepted H WCSP 2012-03-23
Houstonia croftiae Britton & Rusby Accepted H WCSP 2012-03-23
Houstonia humifusa (Engelm. ex A.Gray) A.Gray Accepted H WCSP 2012-03-23
Houstonia longifolia Gaertn. Accepted H WCSP 2012-03-23 1
Houstonia micrantha (Shinners) Terrell Accepted H WCSP 2012-03-23
Houstonia nuttalliana Fosberg Unresolved L TRO 2012-04-18
Houstonia ochroleuca Raf. Unresolved L TRO 2012-04-18
Houstonia ouachitana (E.B.Sm.) Terrell Accepted H WCSP 2012-03-23
Houstonia palmeri A.Gray Accepted H WCSP 2012-03-23 1
Houstonia parviflora Holz. ex Greenm. Accepted H WCSP 2012-03-23
Houstonia procumbens (Walter ex J.F.Gmel.) Standl. Accepted H WCSP 2012-03-23
Houstonia prostrata Brandegee Accepted H WCSP 2012-03-23
Houstonia purpurea L. Accepted H WCSP 2012-03-23 2
Houstonia pusilla Schoepf Accepted H WCSP 2012-03-23
Houstonia reticulata Raf. Unresolved L WCSP 2012-03-23
Houstonia rosea (Raf.) Terrell Accepted H WCSP 2012-03-23
Houstonia rubra Cav. Accepted H WCSP 2012-03-23
Houstonia serpyllifolia Michx. Accepted H WCSP 2012-03-23
Houstonia sharpii Terrell Accepted H WCSP 2012-03-23
Houstonia spellenbergii (G.L.Nesom & Vorobik) Terrell Accepted H WCSP 2012-03-23
Houstonia subviscosa (C.Wright ex A.Gray) A.Gray Accepted H WCSP 2012-03-23
Houstonia teretifolia Terrell Accepted H WCSP 2012-03-23
Houstonia wrightii A.Gray Accepted H WCSP 2012-03-23

Statistics

The Plant List includes 140 scientific plant names of species rank for the genus Houstonia. Of these 23 are accepted species names.

The Plant List includes a further 79 scientific plant names of infraspecific rank for the genus Houstonia. We do not intend The Plant List to be complete for names of infraspecific rank. These are primarily included because names of species rank are synonyms of accepted infraspecific names.

Species names

The status of the 140 species names for the genus Houstonia recorded in The Plant List, are as follows:

Pie chart of binomial name statuses
Status Total
Accepted 23 16.4%
Synonym 111 79.3%
Unplaced 0 0%
Unassessed 6 4.3%

All names

The status of the 219 names (including infraspecific names) for the genus Houstonia recorded in The Plant List, are as follows:

Pie chart of all name statuses
Status Total
Accepted 29 13.2%
Synonym 184 84.0%
Unplaced 0 0%
Unassessed 6 2.7%

Of the species names,

The confidence with which the status of the 140 species names recorded in The Plant List for the genus Houstonia, are assigned as follows:

Confidence level Accepted Synonym Unplaced Unassessed Total
High confidence 23 110 0 0 133 95.0%
Medium confidence 0 0 0 0 0 0%
Low confidence 0 1 0 6 7 5.0%

The source of the species name records found in The Plant List for the genus Houstonia is as follows:

Source of record Accepted Synonym Unplaced Unassessed Misapplied Total
Tropicos 0 0 0 3 0 3 2.1%
WCSP 23 111 0 3 0 137 97.9%