Stout, glabrous, extensively stoloniferous perennial; culms in large coarse clumps 55-100 cm. high, some of the internodes elongate with 2-4 very short ones between them, the leaves thus appearing in groups; sheaths rounded, glabrous, villous in the throat and on the margins; blades elongate, very firm, attenuate to a fine tip, 8-10 mm. wide toward the base, flat but soon becoming convolute, usually curled toward the ends, glabrous below, more or less scabrous on the upper surface and on the margins; panicles usually 20-30 cm. long, 3-6 cm. wide, dense, interrupted below; spikelets very shortly pedicellate, very flat, 1-2 cm. long, 8-10 mm. wide; lemmas ovate, acute, ciliate on the keel, the margins densely villous at the base, otherwise glabrous; palea about two-thirds as long as the lemma, narrow, the keels not bowed out, ciliate with fine hairs which protrude beyond the margin of the lemma.
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