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Sessile spikelet 4.5–5.5 mm long, 1/5 as long again as the pedicel, linear-ovate, dorsally compressed, rounded at the base; inferior glume slightly convex; superior lemma bifid almost to the base; awn 6–9.6 mm long, geniculate; anthers 1.7–2.5 mm long.
Racemes 2.5–4.5 cm long, often exserted from the linear spatheole, glabrous; peduncles both shorter than and as long as the racemes; internodes and pedicels flattened.
Erect or ± scrambling annual, occasionally perennial; culms up to 120 cm high, much branched only above; internodes wide (2.5–3.5 mm), compressed.
Leaf sheaths both shorter and longer than the internodes, glabrous; laminas 4.5–8.5 cm × 4.4–9 mm, keeled, obtuse at the apex.
Pedicelled spikelet reduced to an awned vestigial glume 0.7–1.3 mm long; awn 0.9–1.5 mm long.
Perennial, or sometimes annual, 90–120 cm. high
