Eriocoma occidentalis

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Eriocoma occidentalis
Stipa occidentalis (3808387089).jpg
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Clade: Commelinids
Order: Poales
Family: Poaceae
Subfamily: Pooideae
Genus: Eriocoma
Species:
E. occidentalis
Binomial name
Eriocoma occidentalis
(Thurb. ex S.Watson) Romasch. (2019) [1]
Synonyms [1]
  • Achnatherum occidentale(Thurb. ex S.Watson) Barkworth (1993)
  • Stipa occidentalisThurb. ex S.Watson (1871)
  • Stipa occidentalis var. montanaMerr. & Burtt Davy (1902), not validly publ.
  • Stipa stricta var. sparsifloraVasey (1892)

Eriocoma occidentalis is a species of grass known by the common name western needlegrass. It is native to western North America from British Columbia to California, Colorado, and Arizona and in northeastern Mexico (Chihuahua), [1] where it grows in many types of habitat.

Contents

This is a tufting perennial bunchgrass forming tight clumps of erect stems up to about 120 centimetres (47 in) in maximum height, but sometimes much shorter. The hairlike leaves are less than a millimeter wide and may have rolled edges. The inflorescence is up to 30 centimetres (12 in) long, with each hairy spikelet bearing an awn up to 4 or 5 centimeters long. The awn is kinked twice. [2]

Subspecies

Three subspecies are accepted: [1]

References

  1. 1 2 3 4 Eriocoma occidentalis (Thurb. ex S.Watson) Romasch. Plants of the World Online . Retrieved 2 July 2023
  2. "Achnatherum occidentale". Grass Manual Treatment. Archived from the original on June 11, 2011. Retrieved July 27, 2008.