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Spikelets 2–9 × 1.5–2 mm, elliptic to oblong, laterally compressed, 6–20-flowered, the lemmas disarticulating from below upwards, the rhachilla persistent; glumes subequal, 0.8–1.5 mm long, reaching to about the middle of the adjacent lemmas, keeled, lanceolate in profile, asperulous on the keel, otherwise glabrous, subacute at the apex; lemmas 1.6–2 mm long, keeled, ovate in profile, cartilaginous with indistinct lateral nerves, diverging from the rhachilla at 45°, those in opposite rows imbricate and concealing the rhachilla, olive-green, glabrous, subacute at the apex; palea persistent, glabrous on the flanks, the keels slender, wingless, scaberulous; anthers 3, 0.7–1 mm long.
Tufted perennial, the basal sheaths woolly tomentose with off-white hairs; culms 20–100 cm. high, erect.. Leaf-blades flat, 15–25 cm. long, 2–6 mm. wide.. Panicle ovate to oblong, 7–35 cm. long, the spikelets spreading or appressed to the primary branches.. Spikelets 6–20-flowered, elliptic to oblong, 2–8 mm. long, 1.5–2 mm. wide, laterally compressed, olive-green, breaking up from the base, the rhachilla persistent; glumes ovate, boat-shaped, subequal, 0.8–1.5 mm. long; lemmas broadly ovate, 1.6–1.7 mm. long, cartilaginous, the nerves indistinct, subacute; palea scaberulous on the keels, persistent; anthers 3, 0.7–1 mm. long.. Caryopsis ellipsoid, 0.6 mm. long.
Densely caespitose perennial without rhizomes or stolons; culms up to 100 cm tall, erect, slightly swollen at the base, unbranched, glabrous at the nodes, eglandular; basal leaf sheaths woolly-tomentose below with off-white or yellowish hairs, chartaceous with somewhat indurated nerves, laterally compressed, eglandular, usually decaying into coarse yellow fibres; ligule a line of hairs; leaf laminas 15–25 cm × 2–6 mm, linear, flat or involute, glabrous or faintly scaberulous, eglandular.
Panicle 7–35 cm long, oblong to ovate, open, the spikelets spreading or appressed to the primary branches on pedicels 0.5–1.5 mm long, the primary branches not in whorls, terminating in a fertile spikelet, glabrous in the axils (but the axis and branches pubescent to puberulous), eglandular.
Caryopsis c. 0.6 mm long, elliptic.
