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Spikelets 4–20 × 2.5–4 mm, ovate to narrowly oblong, strongly laterally compressed, 8–30-flowered, the florets disarticulating from the apex downwards, the rhachilla fragile; glumes subequal, 1.2–2 mm long, reaching to just beyond the middle of the adjacent lemmas, keeled, ovate in profile, glabrous, acute at the apex; lemmas 2–3.5 mm long, keeled, ovate in profile, coriaceous with obscure lateral nerves, somewhat diverging from the rhachilla, those in opposite rows scarcely overlapping, the rhachilla just visible between them, dark yellowish-green to leaden, glabrous to scabrid on the keel, glabrous to scaberulous on the flanks, acute to acuminate at the apex; palea glabrous on the flanks, the keels slender, narrowly winged, the wing margin shortly ciliolate; anthers 3, 1–1.5 mm long.
Tufted perennial, arising from a short oblique rhizome; culms 20–80 cm. high, erect.. Leaf-blades involute, often filiform, rarely flat, 5–30 cm. long, 2–3 mm. wide.. Panicle 5–20 cm. long, ovate with stiffly spreading primary branches, or narrowly lanceolate and densely contracted, or linear and interrupted with the spikelets subsessile in clusters on stubby side-branches.. Spikelets 8–30-flowered, ovate to narrowly oblong, 4–20 mm. long, 2.5–4 mm. wide, dark yellowish green, breaking up from the apex, the rhachilla fragile; glumes ovate, subequal, 1.2–2 mm. long; lemmas broadly ovate, 2–3 mm. long, coriaceous, acute to acuminate; palea oblong-elliptic, the keels winged and scaberulous; anthers 3, 1–1.5 mm. long.. Caryopsis ellipsoid, 1–1.5 mm. long.. Fig. 60/8, p. 190.
Densely tufted, slender perennial, up to 900 mm high; leaves mainly basal. Leaf blade 50-300 x 2-3 mm; ligule a fringe of hairs. Inflorescence a sparsely branched panicle; spikelets solitary or in clusters, subsessile on main axis or side branches. Spikelets 4-20 x 1.5-4.0 mm, yellowish green with a serrated outline, laterally compressed; rachilla fragile, breaking up from apex downwards; glumes shorter than spikelet, 1-nerved; lower glume ovate. Florets many; lowest lemma 2-3 mm long, acute to acuminate, 3-nerved, lateral nerves indistinct and not reaching margins; palea keels entire, flat, winged and scabrid; anthers 3, 1.0-1.4 mm long. Flowering time Oct.-June. Caryopsis ellipsoid.
Slender perennial, densely tufted, up to 0.9 m high. Leaf blades 50-300 mm long, 2-3 mm wide. Culms to 2 mm wide; basal sheaths glabrous or hairy, but not densely woolly-hairy; leaves mainly forming a basal tuft. Spikelets 4-20 mm long, 1.5-4.0 mm wide. Inflorescence sparsely branched, spikelets solitary or in clusters subsessile on main axis or side branches; spikelets yellowish green with a serrated outline, rhachilla fragile, breaking up from apex downwards; lower glume ovate; lowest lemma 2-3 mm long, acute to acuminate, lateral nerves indistinct and not reaching margin; palea keels entire, flat, winged and scabrid; anthers 3.1,0-1.4 mm long. Caryopsis ellipsoid.
Perennial; up to 0.9 m high; densely tufted; slender. Culms up to 2 mm wide; basal sheaths glabrous or hairy; but not densely woolly hairy. Leaf blades 50-300 x 2-3 mm; leaves mainly forming a basal tuft. Flowers: panicle sparsely branched; spikelets solitary or in clusters subsessile on main axis or side branches; spikelets 4-20 x 1.5-4.0 mm; yellowish green with a serrated outline; rachilla fragile; breaking up from apex downwards; lower glume ovate; lowest lemma 2-3 mm long; acute to acuminate; lateral nerves indistinct and not reaching margins; palea keels entire; flat; winged and scabrid; anthers 3; 1.0-1.4 mm long; caryopsis ellipsoid.
Densely tufted, eglandular perennial, up to 0.9 m tall. Leaves linear, often filiform; ligule a fringe of hairs. Inflorescence a panicle, lower branches not whorled. Spikelets in clusters on short, often stiffly spreading side branches, 3-19 x 1.5-4 mm, strongly laterally compressed, sides jagged, many-flowered, yellowish green, rhachilla fragile, breaking from apex downwards, awnless; glumes subequal, shorter than spikelet; lateral nerves of lemma indistinct; anthers 1-1.4 mm long.
Caespitose perennial with short oblique rhizome; culms up to 80 cm tall, erect, unbranched, glabrous at the nodes, eglandular; basal leaf sheaths glabrous or with straight silky hairs, chartaceous, terete, eglandular, persistent or decaying into coarse fibres; ligule a line of hairs; leaf laminas 5–30 cm × 2–3 mm, linear, involute and often filiform, rarely flat, eglandular.
Panicle 5–20 cm long, ovate with stiffly spreading primary branches, or narrowly lanceolate and densely contracted, or linear and interrupted with the spikelets subsessile in clusters on stubby side branches, the primary branches not in whorls, terminating in a fertile spikelet, glabrous in the axils, eglandular.
A herb. This grass forms tussocks. They are erect and in dense tufts. It has rhizomes or underground stems. It keeps growing from year to year. It grows 90 cm high. The leaf blade is 3 mm wide and usually has soft hairs.
Caryopsis 1–1.5 mm long, elliptic.
