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Loosely to densely tufted, erect perennial 300-1000 mm high. Leaf blade to 300 x 2-8 mm; ligule truncate. Inflorescence base usually enclosed in uppermost leaf. Spikelet 15-17 mm long (excluding awn); glumes ± equal, long acuminate, longer than lemma, hyaline, flushed purple, 3-5-nerved, nerves distinct; lemma terete, widest just below crown, strongly overlapping, finely tuberculate, hairy basally; crown usually wider than long, rim with hairs 0.5 mm long; awn 50-120 mm long, usually long hairy basally, scabrid above, geniculate; callus 2.0-4.5 mm long, pungent; anthers 3.0-3.5 mm long.
Loosely to densely tufted, erect perennial, 0.3-1.0 m high. Leaf blade up to 300 x 3 mm; ligule an unfringed membrane. Inflorescence a panicle; spikelets all alike, pedicelled. Spikelets 15-17 mm long (excluding awn), laterally compressed; glumes ± equal, longer than spikelet, similar, rounded on back, 3-nerved, dark purple. Floret 1; lemma firmer than glumes, becoming indurated, tuberculate, rough, strongly overlapping, with a raised crown at junction of awn; awn up to 100 mm long, scabrous, geniculate, twisted; anther 0.3-0.5 mm long. Flowering time Nov., Dec.
Perennial; 0.3-1.0 m high; tufted. Culms erect. Leaf blades up to 300 x 3 mm. Flowers: panicle contracted; spikelets 15-17 mm long; excluding scabrous; bent and twisted awn up to 100 mm long; glumes dark purple; lemmas with a raised collar at junction of awn.
