Densely tufted perennial; culms erect, 0.5-1 m. high, glabrous; sheaths flatten-ed and keeled, glabrous, the lower ones elongate, all longer than the internodes; ligule thin, lacerate, 1-2-cm. long; blades elongate, conduplicate at the base, 2-4 mm. wide, scabrous, especially on the margins; panicles 15-40 cm. long, narrow, dense, but rather loose, erect, the narrowly ascending branches 5-10 cm. long, naked below for a short distance, or spikelet bearing nearly to the base; spikelets 2-2.5 mm. long; glumes equal, as long as or a little shorter than the floret, acute, scabrous; lemma scabrous above, villous across the back near the base, the awn mostly 1-2 cm. long.
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