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Robust to slender shrub or dwarf shrub to 2000 mm high, erect, densely tufted or sprawling; rhizomes long, robust; culm branches usually fascicled from nodes, rarely solitary; plant glabrous and smooth, except upper and basal leaf sheaths, which are adpressed woolly hairy; leaf blades break off early, leaving the sheaths, and exposing the upper part of the internode, which is usually dark, giving the characteristic banded appearance. Leaf blade 60-100 mm long, setaceous, often pungent. Inflorescence elongate, narrow, interrupted; spikelets clustered. Spikelet 15-30 mm long (including awns); glumes straw-coloured; upper glume 10-14 mm long; lemma articulation at about middle of lemma; beak short, twisted; all three awns plumose; callus 1.5 mm long, apex naked, pungent; anther 4.7-6.0 mm long.
Perennial; robust to slender shrub or dwarf shrub; up to 2 m high; rhizomes long and strong; or densely tufted; plants glabrous and smooth; except for upper and basal leaf sheaths; which are appressed woolly hairy. Culms sprawling to erect; branches usually fascicled from nodes; rarely solitary. Leaf blades 60-100 mm long; setaceous; break off early; leaving sheaths; and exposing upper part of internode; which is usually dark; with characteristic banded appearance. Flowers: panicle elongate; contracted; interrupted; with spikelets clustered; spikelets 15-30 mm long; including awns; glumes straw-coloured; upper glume 10-14 mm long; lemma articulation at ± middle of lemma; a short; twisted beak present; all 3 awns plumose; callus 1.5 mm long; with naked; pungent apex.
Spiny, densely sprawling or erect, robust perennial, up to 2 m tall; culm internodes often dark. Leaf blades thin, pungent, breaking off early; ligule a fringe of hairs. Inflorescence a narrow, interrupted panicle. Spikelets 10-14 mm long (excluding awns), clustered, 1-flowered; lemma 3-awned, all 3 awns plumose, with articulation at ± centre of lemma, with only a short twisted beak and no column.
Erect or sprawling shrublet to 100(-200) cm. Leaves cauline, linear, rolled, deciduous to expose dark internode. Spikelets 15-30 mm long, in a narrow, interrupted panicle, all 3 awns distinctly plumose, spikelet callus pungent.
