Delicate loosely caespitose annual; culms up to 40 cm tall, erect or ascending, often branched below, glabrous at the nodes, eglandular; leaf sheaths eglandular; ligule a short but distinct membrane; leaf laminas 4–15 cm × 1.5–5 mm, linear, flat, scaberulous, eglandular.
Panicle 5–21 cm long, elliptic, delicate and very diffuse, the spikelets evenly distributed on pedicels 0.8–1.8 mm long, the primary branches not in whorls, terminating in a fertile spikelet, glabrous in the axils, eglandular.
Caryopsis c. 0.4 mm long, obovate.