Annual; culms erect or usually decumbent-spreading and rooting at the lower nodes, 25 cm. in depauperate plants, to as much as 2 m. long, branching, usually pubescent or villous below the densely pubescent nodes; sheaths compressed, glabrous or papillose-hispid; ligule 1 mm. long, densely ciliate; blades elliptic, acuminate, narrowed at the base, scabrous and papillose-hispid, thin, plaited, as much as 30 cm. long, 3 cm. wide, in depauperate specimens 5-10 cm. long, 5-15 mm. wide, often obscurely plaited; panicles commonly 7-10 cm., or as much as 20 cm. long, the axis scabrous and sparsely villous, the short branches approximate, ascending to spreading, densely flowered to the base; spikelets about 2.5 mm. long, usually in pairs along the raceme-like branches, the bristles 5-10 mm. long; first glume obtuse or subacute, one-third as long as the spikelet, the second acute, 7-nerved, two-thirds as long as the spikelet; fruit elliptic, acute, strongly transversely rugose.
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A herb. It is an annual tussock forming grass. It can keep growing from year to year. It grows 30-250 cm high.
It is a tropical plant. It grows in sandy soils. It grows between 1,200-1,500 m above sea level. It can grow in arid places.
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