Taxon:  Houstonia purpurea L. var. montana (Small) Terrell



Summary
Genus:
Houstonia
Family:
Rubiaceae
Subfamily:
Rubioideae
Tribe:
Spermacoceae
Nomen number:
320300
Place of publication:
Rhodora 61:169.  1959
Verified:
07/08/1994 ARS Systematic Botanists.
Accessions:
0 (0  active, 0  available) in National Plant Germplasm System. 
Other conspecific taxa
Houstonia purpurea L. (1 active accession[s])
Houstonia purpurea L. var. purpurea (0 active accession[s])
Autonyms (not in current use), synonyms and invalid designations
Basionym
Houstonia montana Small

Homotypic Synonym(s)
Hedyotis purpurea (L.) Torr. & A. Gray var. montana (Small) Fosberg

No images


Conservation Status
FWE – Federally Endangered Species
Reference(s)
  1. Center for Plant Conservation. Center for Plant Conservation National Collection of Endangered Plants (on-line resource).
  2. Kartesz, J. T. & R. Kartesz. 1980. A synonomized checklist of the flora of the United States, Canada, and Greenland.
  3. Kartesz, J. T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland.
  4. Terrell, E. E. 1996. Revision of Houstonia (Rubiaceae-Hedyotideae). Syst. Bot. Monogr. 48:56.
  5. United States Fish and Wildlife Service. U.S. Fish & Wildlife Service. Species Information: threatened and endangered animals and plants (on-line resource). Note: = Hedyotis purpurea var. montana
  6. Wofford, B. E. Database of Tennessee vascular plants (on-line resource).
Common names
LanguageNameAlternate namenoteseqCitation
EnglishRoan Mountain houstonia  1Terrell, E. E. 1996. Revision of Houstonia (Rubiaceae-Hedyotideae). Syst. Bot. Monogr. 48:56.
Distribution
order_codeStatusContinentSubcontinentCountryStateNoteReference
1NativeNorthern AmericaSoutheastern U.S.A.United StatesNorth CarolinaAshe, Avery, Mitchell, & Watauga Cos.Terrell, E. E. 1996. Revision of Houstonia (Rubiaceae-Hedyotideae). Syst. Bot. Monogr. 48:56.
1NativeNorthern AmericaSoutheastern U.S.A.United StatesTennessee Terrell, E. E. 1996. Revision of Houstonia (Rubiaceae-Hedyotideae). Syst. Bot. Monogr. 48:56.
Native
Northern America
  • SOUTHEASTERN U.S.A.: United States [North Carolina (Ashe, Avery, Mitchell, & Watauga Cos.), Tennessee]

Reference(s)
  1. Terrell, E. E. 1996. Revision of Houstonia (Rubiaceae-Hedyotideae). Syst. Bot. Monogr. 48:56.
Economic Uses
UsageTypeNoteReference
Center for Plant Conservation listed  Center for Plant Conservation. Center for Plant Conservation National Collection of Endangered Plants (on-line resource).
Cite as: USDA, Agricultural Research Service, National Plant Germplasm System. 2026. Germplasm Resources Information Network (GRIN Taxonomy). National Germplasm Resources Laboratory, Beltsville, Maryland.
URL: https://npgstest.ars-grin.gov/gringlobal/taxon/taxonomydetail?id=320300. Accessed 14 May 2026.