Perennial; culms clambering or straggling, 0.5-1.5 m. long, freely branching, glabrous or very sparsely pubescent; sheaths shorter than the internodes, glabrous, densely pubescent on the collar; blades lanceolate, 4-15 cm. long, 5-12 mm. wide, glabrous on the lower surface, scabrous and sparsely papillose-hispid on the upper, the margins very scabrous; panicles mostly 4-8 cm. long (rarely as much as 15 cm., those of the branches often much reduced), the branches narrowly ascending to spreading, the lower rarely more than 5 cm. long, densely flowered, sometimes naked at the base; spikelets 1.5 mm. long, oval, the first glume minute, nerveless; fruit oval, smooth and shining, sparsely pilose with long appressed hairs.
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