Culms clambering, with a strong central cane, as much as 4 m. long, freely branching, glabrous or sometimes sparsely pilose, the branches often fascicled, the secondary shoots strongly divaricate or zigzag; sheaths glabrous on, the back, the margins densely villous; blades narrowly lanceolate, 5-15 cm. long, 5-15 mm. wide, glabrous, the margins scabrous; panicles commonly 5-8 cm. long, or the primary as much as 20 cm. long, the few-flowered scabrous and sparsely pilose branches 1-5 cm. long, spreading or reflexed, the panicles of the ultimate branch-lets much reduced; spikelet 4 mm. long.
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