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False panicle 30–60 cm long, lax, leafy; spatheoles 3–5 cm long, narrowly lanceolate, glabrous; peduncles a little shorter than the spatheoles, barbate all round above with white or yellow bulbous-based hairs, ± straight; racemes 1.2–1.7 cm long, 3-awned per pair, laterally exserted, deflexed; raceme-bases subequal, the superior c. 1 mm long, flattened, stiffly setose with pale rufous bulbous-based bristles, the apex produced into an oblong, reddish, irregularly lobed appendage 0.5–1 mm long.
Sessile spikelet 5–7 mm long; callus c. 1.5 mm long, pungent; inferior glume linear-oblong, greyish, glabrescent to sparsely pubescent with white hairs; awn 4–7 cm long, the column pubescent with fulvous hairs 0.2–0.6 mm long.
Pedicelled spikelets 6–8 mm long, linear-lanceolate, glabrous, terminating in a slender awn 2–11(14) mm long; callus scarcely developed; pedicel-tooth short.
Annual; culms up to 300 cm high, glabrous or with a ring of white or brown hairs at each node, often supported by stilt roots.
Homogamous spikelets 7–10 mm long, a single pair at the base of the inferior raceme only, glabrous, awnless.
Leaf sheaths glabrous; leaf laminas up to 60 cm × 12 mm, glabrous, narrowed at the base.
Coarsely tufted annual 0·3–3 m. high
