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Sessile spikelet 8–9 mm long, longer than the internode, the callus conical and with a ring of long hairs; inferior glume slightly convex on the back, loosely pilose; superior glume ± flat on the back and with an awn 2–4 mm long; superior lemma bifid to the middle; awn geniculate, 9–15 mm long; anthers not seen.
Racemes in terminal pairs (rarely solitary), switch-like, 4–6 cm long, long-exserted from the spatheoles; peduncles much longer than the racemes; internodes and pedicels filiform with scattered cilia up to 2 mm long on both margins.
Leaves sparsely pilose, scabrid; sheaths auriculate; ligule a short (2–3 mm) membrane; laminas 6–47 cm × 2–4 mm, stiffly erect, almost reduced to just the keel, the narrow margins revolute, tapering to a very fine point at the apex.
Caespitose perennial; culms up to 100 cm high, erect, unbranched; internodes terete.
Pedicelled spikelet male, 5.5–8 mm long, with an awn 2–3 mm long.
Densely tufted perennial up to 1 m. high.
