Distribution: British Columbia and eastern Washington, east to the Dakotas, south to Oregon and Arizona.
Habitat: Desert plains and grasslands, into the foothills.
Flowers: June - July
Conservation Status: Not of concern
Strongly tufted perennial, the stems 2-4 dm. tall.
Leaf blades involute, 1-2 mm. broad, 7-25 cm. long; ligules 0.5 mm long, the frontal margin with hairs 2-3 mm. long.
Inflorescence a narrow panicle 5-10 cm. long, the branches loosely ascending; glumes awn-tipped, the first 7-13 mm. long, the second nearly twice as long; floret 10-15 mm. long, the callus flattened, 1 mm. long; lemma convolute, with a trifid, terminal awn 5-8 cm. long, the lateral branches divergent; palea 2-2.5 mm. long, mush shorter than the lemma.