Achnatherum aridum

Achnatherum aridum
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Monocots
(unranked): Commelinids
Order: Poales
Family: Poaceae
Genus: Achnatherum
Species: A. aridum
Binomial name
Achnatherum aridum
(M.E.Jones) Barkworth
Synonyms

Stipa arida

Achnatherum aridum is a species of grass known by the common name Mormon needlegrass. It is native to the southwestern United States from the Mojave Desert in California east to Colorado and New Mexico.

Description

Achnatherum aridum is a resident of high desert scrub and woodland habitat at some elevation. It is a tuft-forming perennial bunchgrass without rhizomes. The bunches of stems reach a maximum height of around 85 centimeters. The inflorescence is a panicle often partly enfolded in the narrow sheath of the uppermost leaf. The spikelets have hairlike awns 4 to 8 centimeters long.

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