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Densely tufted perennial 400-1200 mm high; leaves cauline; culms straggling, matted, wiry; often procumbent, eglandular. Leaf blade 20-80 x 1-5 mm, reflexed; eglandular. Inflorescence open, sparsely branched; primary branches stiffly spreading; lowest branches not whorled; pedicels short, stout. Spikelet 3.5-7.0 x 1.5-4.0 mm, olive-green, ovate; rachilla persistent; lemmas and/or paleas breaking up from base upwards; glumes subequal, reaching to about 1/2 up lemma above, ovate inside view, apex obtuse; lemma 1.3-2.5 mm long, broadly ovate in side view, apex obtuse, lateral nerves indistinct; palea keels entire, conspicuously winged, scaberulous, falling with or soon after lemma, margins wide apart, ± same width between keels and margins; anthers 3, 1 mm long; caryopsis narrowly ovate.
Spikelets 3.5–7 × 1.5–4 mm, ovate, laterally compressed, 6–13-flowered, the florets disarticulating from below upwards, the rhachilla persistent; glumes subequal, 0.9–1.2 mm long, reaching the middle of the adjacent lemmas, keeled, ovate in profile, glabrous, obtuse at the apex; lemmas 1.3–2.5 mm long, keeled, broadly ovate in profile, firmly cartilaginous with indistinct lateral nerves, diverging from the rhachilla at c. 45°, those in opposite rows not imbricate, the rhachilla visible between them, dark olive-green, glabrous, obtuse at the apex; palea deciduous with or soon after the lemma, glabrous on the flanks, the keels slender, narrowly but conspicuously winged, the wing margin entire; anthers 3, 1–1.3 mm long.
Perennial, densely tufted (with straggling matted wiry culms; often procumbent), up to 1.2 m high. Leaf blades 20-80 mm long, 1-5 mm wide. Spikelets 3.5-7.0 mm long, 1.5-4.0 mm wide. Inflorescence sparsely branched, primary branches stiffly spreading, pedicels short; spikelets olive-green, rhachilla persistent, lemmas and/or paleas breaking up from base upwards; glumes obtuse; lemma broadly ovate (in profile), lateral nerves indistinct; palea keels entire, winged, scaberulous; anthers 3, 1 mm long. Caryopsis narrowly ovate.
Caespitose perennial with straggling matted culms, without rhizomes or stolons; culms slender, wiry, up to 120 cm long, erect, procumbent or scandent, branched or unbranched, glabrous at the nodes, eglandular; leaves all cauline, the sheaths glabrous; ligule a line of hairs; leaf laminas 2–8 cm × 1–5 mm, linear and tapering, flat or involute, reflexed, glabrous, eglandular.
Panicle 3–13 cm long, ovate, open, the spikelets shortly pedicelled (1–3 mm) on stiffly spreading primary branches or on short secondary branchlets, the primary branches not in whorls, terminating in a fertile spikelet, glabrous in the axils, eglandular.
Perennial with a small stiff panicle, and slender wiry many-noded culms 30–90 cm. high, forming a straggly growth from a dense tussock.
Caryopsis c. 1 mm long, narrowly ovate.
