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Annual, tufted grass from fibrous roots; stems hollow, mostly 10-30 cm tall.
Sheaths open, usually smooth; blades 1-2 mm wide, flat, minutely rough to soft-hairy, the lower margins usually fringed with soft hairs; ear-shaped lobes at the leaf-bases up to 0.5 mm long or these sometimes lacking; ligules 0.5-2 mm long, the margins minutely eroded, blunt to pointed.
Inflorescence a narrow, congested panicle, 1.5-4 cm long; glumes pointed, rough short-hairy to short-hairy, the lower ones 4-5 mm long, 1-nerved, the upper ones 8-10 mm long, 3-nerved; sterile lemmas about equal, about 3 mm long, narrow, rounded and shallow-notched at the tips, soft-hairy to stiff-hairy, the margins quite eroded at the tips, the first ones awned from the back somewhat above the midlength, the awns about 3 mm long, the second ones awned from well below the midlength, the awns 7-10 mm long, twisted and abruptly bent; fertile lemmas about 2 mm long, more or less firm, smooth, pale brown; paleas nearly equal to the lemmas; anthers 4-5 mm long.
Source: The Illustrated Flora of British Columbia