Ephemerals. Culms 4–35 cm long; flowering culms 10–20 cm high, 4–7 (–12)-noded. Leaves: basal sheaths tuberculate, glabrous or pubescent, with glabrous margins; orifice pubescent; ligule 0.2–0.5 mm long; blade flat or involute, 0.3–5 cm long, 1.3–2.5 mm wide, stiff. Inflorescences 2.5–5 cm long; spikelet-bearing axes 3–10 mm long. Spikelets oblong, 4–8.5 mm long. Glumes: lower glume 1.3–2.5 mm long; upper glume 2.1–3 mm long. Basal lemma ovate to oblong, 2.1–3.3 mm long, glabrous or pubescent (with sparse, gland-tipped hairs). Palea ±equal to the lemma body, oblong to obovate; keels ciliolate (the hairs c. 0.1 mm long). Grain oblong to elliptic, not compressed, 1 mm long, 0.4 mm wide.
Grows on red sanddunes with Acacia aneura, Eremophila forrestii, Cassia desolata, Eriachne sp., Enteropogon ramosus, Diplopeltis sp., Pityrodia and Calothamnus.
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