Spikelets 4–5 mm long, oblong; glumes 1.7–3 mm long, keeled, narrowly lanceolate in profile, the inferior 1-nerved, the superior 3–5-nerved; lemmas 1.5–2.5 mm long, 3-nerved, lightly keeled, broadly ovate, pubescent on the margins.
Caespitose annual; culms up to 50 cm tall, often decumbent and rooting from the lower nodes; leaf laminas 5–10 cm × 2–6 mm, linear-lanceolate, flat, abruptly pointed at the apex.
Inflorescence 5–10 cm long, comprising 6–10 distant and ± horizontally spreading racemes; racemes 1.5–4 cm long, deciduous at maturity.