Spikelets lanceolate; glumes 0.5–1.3 mm long, the inferior narrowly ovate and acute to acuminate at the apex, the superior oblong and broadly acute to truncate at the apex; floret callus long-pilose; lemma narrowly elliptic in profile, 1.5–2.5 mm long, glabrous, 2-toothed at the apex and tipped by a slender straight awn up to 13 mm long, rarely awnless.
Prostrate annual with long slender stolons forming loose mats; culms geniculately ascending, up to 30 cm tall; leaf sheaths laterally compressed; leaf laminas up to 2 cm × 3 mm, flat, broadly obtuse at the apex.
Racemes (1)2–4(6) in a single whorl, 3–5 cm long, slender, pubescent at the base.