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Spikelets 3–9(15) × 1.3–2 mm, narrowly oblong or sometimes linear, laterally compressed, 6–16(40)-flowered, the lemmas disarticulating from below upwards, the rhachilla persistent; glumes subequal, 0.7–1.1 mm long, reaching to about the middle of the adjacent lemmas, keeled, narrowly ovate in profile, eglandular, subacute at the apex; lemmas 1.5–1.8 mm long, keeled, ovate to broadly ovate in profile, chartaceous with distinct lateral nerves, diverging from the rhachilla at less than 45°, those in opposite rows scarcely imbricate, the rhachilla ± visible between them, yellowish-green to leaden-grey or purplish, eglandular, glabrous, obtuse at the apex; palea persistent, glabrous on the flanks, the keels slender, wingless, scaberulous to scabrid; anthers 3, 0.6–1 mm long.
Loosely caespitose annual; culms up to 35 cm tall, ascending, branched or unbranched, glabrous at the nodes, with a glandular ring below the nodes; leaf sheaths thinly pilose, the slender hairs mixed with shorter, gland-tipped hairs; ligule a line of hairs; leaf laminas 2–12 cm × 1–5 mm, linear, flat, thinly pilose, the slender hairs mixed with shorter gland-tipped hairs, with scattered crateriform glands along the margins and a line of glandular pits along the midnerve below.
Panicle 4–20 cm long, ovate, fairly dense to open, stiffly branched, the spikelets evenly distributed on pedicels 1–3 mm long, these with a distinct annular gland, the primary branches not in whorls, terminating in a fertile spikelet, glabrous in the axils.
Caryopsis 0.4–0.5 mm long, ± square in profile with a shallow to deep depression along the back.
A tufted annual grass. It grows 35 cm tall. The leaves are 5-10 cm long by 3 mm wide.
