Houstonia acerosa

Updated on Dec 18, 2024

Edit

Comment

Kingdom Plantae Family Rubiaceae Rank Species		Order Gentianales Genus Houstonia
Similar Houstonia serpyllifolia, Houstonia pusilla, Houstonia longifolia, Houstonia purpurea, Houstonia

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.

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

Varieties

Three varieties of the species are widely accepted:

Houstonia acerosa var. acerosa - Coahuila, Nuevo León, Tamaulipas, San Luis Potosí, Texas

Houstonia acerosa var. polypremoides (A.Gray) Terrell - Chihuahua, Coahuila, New Mexico, trans-Pecos Texas

Houstonia acerosa var. tamaulipana (B.L.Turner) Terrell - Tamaulipas

(Text) CC BY-SA