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Geophytic perennial 200-500 mm high; base swollen, hairy; basal sheaths forming a sheath of burnt-off leaf bases; linear glands on pedicels. Leaf blade to 100 x 0.8-1.5 mm, rolled, inner surface glabrous, margins smooth; sheath mouth hairy with hairs extending down sheath margin. Inflorescence usually contracted, 30-90 x 15-40 mm, with ±200 spikelets; pedicels glabrous; axils glabrous or hairy (hairy axils usually associated with hairy leaf sheaths). Spikelet 7-10 mm long; glumes acuminate, silvery, base purple, glabrous or scaberulous along keels; lemma 4-5 mm long, glabrous to sparsely hairy, hairs up to 0.5 mm long; lateral awns 6-12 mm long, exserted from glumes; central awn 15-20 mm long; palea glabrous or hairy, rounded; anthers 3-4 mm long.
Perennial to 50 cm, culms with a swollen, woolly base. Leaves radical, sheaths hairy. Spikelets 7-10 mm long, in an open panicle, awned, pedicels with obscure linear glands.
