Houstonia acerosa

Houstonia acerosa, the New Mexico bluet or needleleaf bluet, is a plant species native to Chihuahua, Coahuila, Nuevo León, Tamaulipas, San Luis Potosí, Texas and New Mexico.[1][2][3][4]

Houstonia acerosa
Scientific classification
Kingdom:
Plantae
(unranked):
Angiosperms
(unranked):
Eudicots
(unranked):
Asterids
Order:
Gentianales
Family:
Rubiaceae
Genus:
Houstonia
Species:
H. acerosa
Binomial name
Houstonia acerosa
(A. Gray) Benth. & Hook. f.
Synonyms[1][2]
  • Ereicoctis acerosa (A.Gray) Kuntze
  • Hedyotis acerosa A.Gray
  • Hedyotis acerosa var. potosina B.L.Turner
  • Hedyotis polypremoides var. bigelovii Greenm.
  • Mallostoma acerosum (A.Gray) Hemsl.
  • Oldenlandia acerosa (A.Gray) A.Gray

Houstonia acerosa is an herb up to 20 cm tall, with narrow needle-like leaves and white or purplish flowers.[5][6][7]

Varieties

Three varieties of the species are widely accepted:[1][2]

References
  1. The Plant List Houstonia acerosa
  2. Kew World Checklist of Selected Plant Families
  3. Biota of North America Program
  4. USDA Plant profile
  5. Gray, Asa. 1852. Smithsonian Contributions to Knowledge 3(5): 81, Hedyotis acerosa
  6. Bentham, George & Hooker, Joseph Dalton. 1873. Genera Plantarum 2(1): 60. Houstonia acerosa
  7. Terrell, Edward Everett. 2001. Taxonomic review of Houstonia acerosa and H. palmeri with notes on Hedyotis and Oldenlandia (Rubiaceae). Sida 19:913-922. 2001


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