Annual; culms 20-75 cm. high, usually erect, simple or sometimes much branched at the base; sheaths densely papillose-hispid, the hairs ascending or spread-ing; ligule ciliate, 1-1.5 mm. long; blades 12-20 cm. long, 5-8 mm. wide (smaller in depauperate specimens), linear-lanceolate, sparsely to rather densely papillose-pilose, the margins very scabrous; panicles terminal and axillary, 8-20 cm. long, the branches and branchlets divergent, becoming implicate, few-flowered; spikelets about 2.2 mm. long, obovoid, strongly nerved, the first glume acute, half as long as the spikelet; fruit 1.7 mm. long.
Home