Densely tufted perennial up to 450 mm high, culm slender, glabrous, 2-noded. Leaves mainly basal; sheath margins membranous; leaf blade 30-100 x to 2 mm, expanded, narrowed towards apex, apex boat-shaped, strongly ribbed, both surfaces hairy; ligule an unfringed membrane, 1.5 mm long, laciniate or erose. Inflorescence open, with up to 10 spikelets, branches long and flexible, bare for most of their length; purple (usually) pulvinus present in axils; branches and pedicels scabrid; pedicels unequal. Spikelet 13-20 x to 4.5 mm (excluding awns), laterally compressed, loosely 3-4-flowered, pallid occasionally flushed purple; glumes unequal, narrowly lanceolate, acute to acuminate, hairy on upper margins; lower glume 2/3 as long as upper glume, 1-nerved; upper glume slightly shorter to ± as long as spikelet, 3-nerved; rachilla internode 3 mm long, densely hairy on upper half; lemma scabrid below awn insertion and across in a band to margins, rest of body scaberulous, nerves raised, 7-nerved, 2-lobed; lobe 5 mm long (including awn) from above central awn insertion, awn 3.5-4.5 mm long; central awn 17-23 mm long, twisted below, geniculate, scabrid; callus 1 mm long, apex cuneate, hairy all over except on disarticulation scar; palea 2-toothed, 2-keeled, keels hairy; anther up to 4.5 mm long, yellow.
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Densely tufted perennial, up to 450 mm tall. Leaves linear, flat; ligule an unfringed membrane. Inflorescence an open panicle, lower branches sometimes spreading. Spikelets 10-17 mm long (excluding awns), many-flowered, flushed purple, awned; glumes unequal, as long as spikelet but some awns exerted, lemma lobes awned, central awn 20 mm long, basally twisted.
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