Tall reed. Rhizome conspicuous. Ligule 1 mm long, upper margin fimbriate, blade 2 cm wide. Panicle large, open. Spikelets usually 3-flowered, 14 mm long; glumes lanceolate, chartaceous, 3-nerved, sometimes tessellate-nerved; the lower 4 mm long; lemma 7-10 mm long, chartaceous, 3-nerved, lanceolate, glabrous; callus elongated with silky hairs; palea 2.5-4 mm long, 2-keeled, margins minutely ciliate, apex truncate.
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