Annual; culms 5-45 cm. high, slender, tufted, erect to spreading, branching at the lower nodes; sheaths mostly overlapping, or shorter than the internodes in taller plants, papillose-hispid, sometimes with only a few hairs near the margins toward the summit; ligule 0.5-1 mm. long; blades 3-16 cm. long, 1.5-4 mm. wide, ascending, sparsely to rather densely papillose-hispid, especially along the midnerve and on the margins; racemes solitary or paired, 1-5.5 cm. long, arcuate, long-exserted, the rachis slender, straight or somewhat flexuous; spikelets 1.1-1.5 mm. long, paired, elliptic or obovate, usually sparsely to densely pubescent with delicate capitate hairs, rarely glabrous, the second glume and sterile lemma equal or the glume a little shorter; fruit a little smaller than the spikelet, elliptic rather than obovate, striate.
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