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Germplasm Resources Information Network (GRIN)

  GRIN Taxonomy for Plants
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Taxon: Houstonia purpurea L.

Genus: Houstonia
Family: Rubiaceae subfamily: Rubioideae tribe: Spermacoceae
Nomen number: 316710
Place of publication: Sp. pl. 1:105. 1753
Typification: View record from Linnaean Plant Name Typification Project of the Natural History Museum of London.
Name verified on: 27-Apr-1992 by ARS Systematic Botanists. Last updated: 23-Aug-1994
No species priority site assigned.


See also subordinate taxa:

Common names:

  • Roan Mountain houstonia   (Source: Syst Bot M 48:56.) – English   [Houstonia purpurea var. montana]

Economic importance:

Distributional range:

      Native: (links to other web resources are provided for some distributions)
  • NORTHERN AMERICA (Check conservation status in U.S. & Canada in NatureServe Explorer database)
    Northeastern U.S.A.: United States - Connecticut [introd.?], Indiana [s.], Maine [s. (introd.?)], Massachusetts [introd.?], New York [e.-c. (introd.?)], Ohio [s.], Pennsylvania [s.], Vermont [s. (introd.?)], West Virginia
    North-Central U.S.A.: United States - Illinois [s.], Missouri [s.], Nebraska [e.], Oklahoma [e.]
    Southeastern U.S.A.: United States - Alabama, Arkansas, Delaware, Florida, Georgia, Kentucky, Louisiana, Maryland, Mississippi, North Carolina, South Carolina, Tennessee, Virginia
    South-Central U.S.A.: United States - Texas


  • Terrell, E. E. 1996. Revision of Houstonia (Rubiaceae-Hedyotideae). Syst. Bot. Monogr. 48:49.


Check other web resources for Houstonia purpurea L.:

Check other web resources for images:

  • Google Images Note: Be advised that their identity may be inaccurate. Proper identification of a plant may require specialized taxonomic knowledge or comparison with properly documented herbarium material.

Abbreviations & symbols in GRIN Taxonomy

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Cite as:
USDA, ARS, National Genetic Resources Program.
Germplasm Resources Information Network - (GRIN) [Online Database].
National Germplasm Resources Laboratory, Beltsville, Maryland.
URL: (05 October 2015)

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