Annuals, erect or decumbent, with or without stolons. Flowering culms 10–40 (–70) cm high. Leaves: ligule 0.8–1.2 mm long; blade usually 6–12 cm long, 2–3.5 (–5) mm wide when flattened. Inflorescence branches 3–9 (–10), erect, spreading or reflexed, 3–10 (–14) cm long. Spikelets subsessile or pedicellate, 2 (–3)-flowered, with 1 or rarely 2 florets bisexual. Glumes scaberulous or scabrous including midnerve; upper glume 2.5–4.3 mm long. Callus pubescent. Basal lemma 3.5–5.5 mm long, prominently lobed, cartilaginous, sulcate or not, sometimes scabrous, pubescent or puberulous, with appressed or erect hairs less than 0.4 mm long arising in the upper half of the submargins; awn 1, 8–30 mm long. Caryopsis elliptic, 1.7–2.3 mm long, golden to brown. Incomplete floret 1, separated from the bisexual floret(s); lemma 2-lobed, 1.5–2 mm long, with lobes acute or acuminate, not inflated, awned.
Mostly in depressions, flood-outs and other better-watered siteson extensive cracking clay plains, but also known from lighter textured reddishbrown and sandy soils. Found in woodlands, shrublands and grasslands, sometimesdominant. Has probably spread along stock routes.
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