Harman Patil (Editor)

Houstonia acerosa

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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

    • References

    Houstonia acerosa Wikipedia
    (Text) CC BY-SA