Houstonia rubra

Houstonia rubra, the red bluet, is a plant species in the Rubiaceae.[2] It is a small herb with red to reddish-purple flowers, native to the southwestern United States and northern and central Mexico: Coahuila, Nuevo León, Hidalgo, Zacatecas, Guanajuato, Puebla, Sonora, Durango, Chihuahua, Arizona, New Mexico, southeastern Utah and western Texas.[1][3][4][5]

Red bluet
Scientific classification
Kingdom:
Plantae
(unranked):
Angiosperms
(unranked):
Eudicots
(unranked):
Asterids
Order:
Gentianales
Family:
Rubiaceae
Genus:
Houstonia
Species:
H. rubra
Binomial name
Houstonia rubra
Cav.
Synonyms[1]
  • Hedyotis rubra (Cav.) A.Gray
  • Houstonia saxicola Eastw.
  • Oldenlandia rubra (Cav.) A.Gray

References
  1. http://apps.kew.org/wcsp/namedetail.do?name_id=100414
  2. Cavanilles, Antonio José. 1799. Icones et Descriptiones Plantarum 5: 48, pl. 474, f. 1.
  3. http://bonap.net/MapGallery/County/Houstonia%20rubra.png
  4. Southwest Environmental Information Network
  5. Encyclopedia of Life


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