Annual; culms forming large loose mats, very slender, elongate, decumbent or creeping, rooting at the nodes, freely branching, the erect or ascending branches 10-40 cm. long, pubescent or pilose, rarely nearly glabrous; sheaths usually much shorter than the internodes, pilose or papillose-pilose with spreading hairs; blades ovate to ovate-lanceolate or lanceolate, 1-5 cm. long, 4-10 mm. wide, thin, gla-brous to pubescent and sparsely pilose; inflorescences terminal and axillary, long-exserted on slender peduncles, composed of 2 to several slender to spreading racemes, pubescent or pilose in the axils, the lower ones 1-3 cm. long; spikelets 3-4 mm. long, appressed, sparsely pilose, especially on the margins of the glumes and sterile lemma; first glume acuminate or attenuate, almost aristate, two-thirds to nearly as long as the spikelet; second glume and sterile lemma acuminate, equal or the glume a little longer, extending beyond the fruit; fruit 2-2.5 mm. long, oblong-elliptic, the wings reduced to inconspicuous scars.
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