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General:
Annual grass from fibrous roots; stems hollow, mostly 60-150 cm tall.
Leaves:
Sheaths open; blades flat, (3) 4-10 mm wide; ear-shaped lobes at the leaf-bases fairly prominent; ligules short membranous.
Flowers:
Inflorescence a terminal spike, 8-15 cm long, with spikelets 1 per node; spikelets unstalked, 2-flowered, the florets side by side, the rachilla prolonged between the two; glumes stiff, slender, awl-like, 1-nerved, shorter than the lemmas; lemmas curved, 5-nerved, strongly fringed with fine hairs on the keels and exposed margins, awns mostly 4-7 cm long.
Source: The Illustrated Flora of British Columbia
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