Tufted perennial, 300-800 mm high. Leaf blade up to 100-450 x 0.5 mm; ligule a fringe of hairs. Inflorescence a loosely contracted, interrupted panicle, 30-130 mm long. Spikelets up to 23 mm long (including awns), laterally compressed; glumes ± equal, 11-22 mm long, 3-7-nerved. Florets 5-7; lemma 6-9 mm long, backs with 4, sometimes more, occasionally indistinct tufts of white hairs along each margin near base; lobes 3.5-5.5 mm long, awned; central awn 6-12(-17) mm long, twisted at base. Flowering time Aug.-Mar.
Perennial; up to 0.8 m high; tufted. Leaf blades up to 100-450 x 0.5 mm. Flowers: panicle open or loosely contracted; interrupted; not distichous; 30-130 mm long; spikelets up to 23 x 10 mm; including awns; 5-7-flowered; glumes 11-22 mm long; 3-7-nerved; lemmas 6-9 mm long; including 3.5-5.5 mm long lobes which terminate in a short; soft bristle; lemma backs with 4; sometimes more; occasionally indistinct tufts of white hairs along each margin near base; central awn 6-12(-17) mm long.
Perennial, up to 0.8 m tall. Leaves linear; ligule a fringe of hairs. Inflorescence an interrupted panicle. Spikelets 11-23 mm long (including awns), straw-coloured and purple, many-flowered; glumes ± equal, as long as to longer than spikelet, 3-7-nerved, 1-keeled near base; lemmas with 4 or more tufts of marginal hairs, central awn 6-12(-17) mm long, bent, twisted below; callus thick, truncate to rounded.
Perennial to 80 cm. Leaves linear. Spikelets in an interrupted panicle, straw-coloured and purple, glumes 3-7-nerved, lemmas 6-9 mm long, with 4 or more tufts of marginal hairs, awn 6-7 mm.