Eragrostis unioloides Nees ex Steud.

Tufted annuals (in Australia). Culms erect or decumbent, 8–72 cm high. Leaves with ribbed primary and secondary nerves; sheaths often purplish at base; ligule a fringe of hairs, V-shaped or curved, 0.1–0.2 mm long; blade flat and to 5 mm wide or involute, auriculate, scabrous, pilose. Panicles open or rather dense, 8–20 cm long, 4–10 cm wide, scaberulous; branches divided, naked near axil. Spikelets pedicellate, ovate or lanceolate, 4–7 (–18) mm long, 2.5–4 mm wide, often purple; rachilla straight, thick; florets 9–72, with lower florets becoming loosely overlapping, falling entire. Glumes unequal, lanceolate to linear, membranous; lower glume 1.4–1.7 mm long; upper glume 1.6–2 mm long. Lemma broadly ovate, c. 2 mm long, obtuse, membranous; lateral nerves ribbed, often green. Palea hyaline; body ovate-elliptic to orbicular, sometimes pouched, notched, apically ciliolate; keels winged, with wings minutely scaberulous; flaps wider at base, narrower than body. Stamens 2; anthers c. 0.2 mm long. Grain strongly compressed, linear-oblong-ovoid, 0.6–0.8 mm long, stipitate.

Grows in seasonallywet grey sandy silt.