Deyeuxia densa

Tufted or shortly rhizomatous perennial, culms erect, to 80 cm high. Leaves glabrous to shortly hairy; blade usually finely scabrous, flat or inrolled, to 30 cm long and 6 mm (but often 2 mm or less) wide; ligule obtuse, often toothed, 0.5–4 mm long. Inflorescence a dense to rather loose, cylindric or slightly spreading panicle, 2–20 cm long. Spikelets 3.5–7 mm long, green or slightly purplish; glumes subequal, acuminate, keeled, scabrous along the keel; lemma three-quarters to nearly as long as spikelet, narrowly tapered toward apex, densely scabrous, awned from the middle or slightly above; awn usually longer than lemma, twisted in lower part; callus hairs to c. 1 mm long; rachilla bristle plumose, about half as long as lemma. Flowers Oct.–Jan.