Sessile spikelet 6–8 mm long; inferior glume with a deep median groove, pilose; superior glume convex on the back, 2-toothed at the apex and with an awn 7–15 mm long; superior lemma bifid to the middle; awn geniculate, 21–24 mm long; anthers 2.3–2.8 mm long, dark red.
Racemes solitary, 3.2–3.7 cm long, exserted from the spatheoles, silvery with white hairs; peduncles longer than the racemes; internodes and pedicels clavate, ciliate on both margins with hairs c. 4 mm long.
Leaf sheaths often pilose; ligule 6–12(27) mm long, acute; laminas 25–63 cm long, 5–6 mm wide, loosely pilose near the ligule, tapering to a fine point at the apex.
Pedicelled spikelet male, 5.8–8 mm long, shortly pilose, reddish, with an awn up to 3.3 mm long.
Caespitose perennial; culms up to 165 cm high, erect, branched above, tinged with dark red.