Decumbent-spreading annual; culms slender, glabrous, ascending, rooting at the nodes, sometimes geniculate, freely branching, the erect shoots finally bearing fascicled branchlets; sheaths much shorter than the internodes, papillose-hirsute to nearly glabrous, the margins usually ciliate; ligule ciliate; blades ovate-lanceolate, 1-5 cm. long, 5-15 mm. wide, very scabrous, papillose-hispid-ciliate at the rounded base; panicles 5-10 cm. long, nearly as wide, partly enclosed in the sheath, the branches and branchlets stiffly spreading or even reflexed, implicate, glandular-spotted; spikelets 1.5-1.7 mm. long, glabrous; first floret as long as the second glume, similar in texture, not indurate, glabrous; fruit about 1.2 mm. long, strongly plano-convex, densely pubescent.