Flowering culms 10–35 cm high. Leaf blades tightly convolute or flat, 5–18 cm long, 0.8–4 mm wide. Inflorescence a false spike, with spikelets on contracted axes, 1.5–5 cm long. Spikelets subsessile, broadly oblong or ovate, usually longer than wide, 3–11 mm long, 4–25-flowered, with 1 (–3) bisexual florets. Glumes unequal in length; lower glume 1–2.2 mm long; upper glume usually less than half the spikelet length, 1.8–2.5 mm long. Basal lemma broadly lanceolate in side view, 2.6–3.6 mm long, with hairless margins; midnerve scaberulous on edge of wing; lateral nerves approximately midway between midnerve and margin. Palea: apex ciliolate; keels ciliolate to ciliate on edges of wings. Caryopsis subterete. Incomplete florets (2–) 4–22 per spikelet.
In the Kimberleys recorded from grassland areas among woodland infine-textured loamy soil; elsewhere known from heavy grey and yellow clays inseasonal swamps, and lateritic sandy soils, fine solodised and podsolisedsoils, in woodlands or shrublands of Eucalyptus tetrodonta, E. polycarpa, Melaleuca, Hakea and Acacia.
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