Coarse perennial; culms erect, as much as 2 m. high, scabrous or nearly smooth; sheaths scabrous, shorter than the internodes, the lowermost becoming fibrous with age; blades 15-75 cm. long, 5-10 mm. wide, flat, firm, scabrous, acuminate or attenuate to a fine involute tip; ligule very short; panicles 20-30 cm. long, open, the branches slender, more or less flexuous, ascending or spreading, naked at the base, the lower ones usually about 15 cm. long, or sometimes as much as 25 cm. long; spikelets 8-15 mm. long, 4-to 7-flowered; glumes acute or acuminate, the first 4-6 mm. long, 1-to 3-nerved, the second 5-7 mm. long, 3-nerved; lemmas 7-8 mm. long, acute or acuminate, smooth or somewhat scabrous toward the tip, awnless or mucronate.
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