Annual; culms 30–100 cm. or more long, slender, decumbent or erect. Leaf-blades spreading, lanceolate, 6–15 cm. long, 10–15 mm. wide, slightly asymmetric at the base, thin, cross-veins numerous, sparsely pilose, acuminate. Panicle 12–30 cm. long, oblong, spreading or contracted, sparsely branched, the secondary branches usually appressed. Spikelets oblong, 1.8–2.2 mm. long, blunt, glabrous; lower glume cuff-like, 1/4–1/3 as long as the spikelet, hyaline, 1-nerved, obtuse or acute; upper glume as long as the spikelet, membranous, 3-nerved, obtuse; lower lemma 5-nerved, sterile, its palea absent; upper lemma pale, shining, minutely scaberulous with a tiny green spot at the tip.