Wikipedia Encyclopedia

Houstonia acerosa

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
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Gentianales
Family: Rubiaceae
Genus: Houstonia
H. acerosa
Binomial name
Houstonia acerosa
(A.Gray) Benth. & Hook.f.
  • 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]


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


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