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Loosely tufted perennial, up to 1 m high; rhizome short and oblique to long and branched; basal sheaths glabrous; leaves mainly cauline. Leaf blade 40-250 x 2-4 mm; ligule a fringe of hairs. Inflorescence a variable panicle, 50-200 mm long, grading from open with spreading branches to contracted with branches overlapping one another and appressed to main axis; pedicels (except terminal ones) shorter than, or as long as spikelets. Spikelets 5-20 x 2.0-3.5 mm, laterally compressed, dull, greyish green to dark green, frequently flushed purple; rachilla persistent, lemmas and/or paleas breaking up from base upwards; glumes shorter than spikelet, 1-nerved; upper glume acute. Florets 7-40; lemma entire, 3-nerved; lowest lemma 1.6-2.5 mm long, acute, lateral nerves distinct; palea narrowly obovate, membranous except for keel, apex truncate to obtuse, margins nearly touching to touching along entire length, keels narrow, flat, but distinct, entire, scaberulous; anthers 3, 0.6-1.3 mm long. Flowering time Nov.-May. Caryopsis narrowly elliptic.
Perennial, loosely tufted and rhizomatous (rhizome short and oblique to long and branched), up to 1 m high. Leaf blades 40-250 mm long, 2-4 mm wide. Basal sheaths glabrous at base; leaves mainly cauline. Spikelets 5-20 mm long, 2.0-3.5 mm wide. Inflorescence 50-200 mm long, variable, grading from open with spreading branches to contracted with branches overlapping one another and appressed to main axis, pedicels (except terminal ones) shorter than, or as long as spikelets; spikelets dull, greyish green to dark green, frequently flushed with purple, 7-40-flowered, lemmas hardly becoming shorter towards apex, rhachilla persistent, lemmas and/or paleas breaking up from base upwards; upper glume acute; lowest lemma 1.6-2.5 mm long, acute, lateral nerves distinct; palea narrowly obovate, membranous except for keel, apex truncate to obtuse, margins nearly touching to touching along entire length, keels narrow, flat, but distinct, entire, scaberulous; anthers 3, 0.6-1.3 mm long. Caryopsis narrowly elliptic.
Perennial, arising from a short oblique rhizome; culms 30–100 cm. high.. Leaf-blades narrow, often rolled, 4–25 cm. long, 2–4 mm. wide.. Panicle broadly ovate, 7–25 cm. long, loose to moderately dense with the spikelets uniformly distributed.. Spikelets 9–40-flowered, narrowly oblong, 5–20 mm. long and 2–3(–3.5) mm. wide, the opposite rows of florets not overlapping, leaving the rhachilla partly visible, greyish green to dark green, breaking up from the base, the rhachilla persistent; glumes subequal, narrowly ovate, 1.2–2 mm. long, acute; lemmas broadly ovate and acute to subacute when flattened, 1.7–2.5 mm. long, minutely asperulous; palea falling soon after the lemma, the keels scaberulous; anthers 3, 0.7–1 mm. long.. Caryopsis narrowly ellipsoid, 0.7–1 mm. long.. Fig. 61/4, p. 193.
Spikelets 5–20 × 2–3(3.5) mm, narrowly oblong, laterally compressed, 9–40-flowered, the florets disarticulating from below upwards, the rhachilla persistent; glumes subequal, 1.2–2 mm long, reaching to between 2/3 and 3/4 the way along the adjacent lemmas, keeled, lanceolate in profile, glabrous, acute at the apex; lemmas 1.7–2.5 mm long, keeled, ovate in profile, membranous with distinct lateral nerves, diverging from the rhachilla at c. 45°, those in opposite rows not imbricate, the rhachilla visible between them, greyish-green to dark green, minutely asperulous, acute or subacute at the apex; palea deciduous with or soon after the lemma, glabrous on the flanks, the keels slender, wingless, scaberulous; anthers 3, 0.7–1 mm long.
Caespitose perennial with short oblique rhizome; culms slender, up to 100 cm tall, erect, unbranched, glabrous at the nodes, eglandular; basal leaf sheaths glabrous, chartaceous, usually compressed, eglandular, persistent; ligule a line of hairs; leaf laminas 4–25 cm × 2–4 mm, linear, usually involute, glabrous, eglandular.
Panicle 7–25 cm long, broadly ovate, loose to moderately dense, the spikelets evenly distributed on pedicels 2–4 mm long, the primary branches not in whorls, terminating in a fertile spikelet, glabrous in the axils, eglandular.
Caryopsis 0.7–1 mm long, narrowly elliptic.
