Densely tufted stout, robust perennial 1 000-3 000 mm high; sometimes with small stilt roots; rhizome dense; basal sheaths hairy; culms to 4 mm thick. Leaf blade to 800 x 3-7 mm. Spatheole 26-40 mm long; peduncle 20-30 mm long; raceme bases subequal, flattened, short-appendaged; raceme pairs with 5-8 awns. Sessile spikelet 5 mm long; becoming dark purplish-grey; hairs long, white; awn 16-25 mm long; callus cuneate. Pedicellate spikelet 7-8 mm long, villous, awnless or with an awn up to 2 mm long; anther 1.5-2.0 mm long.
Perennial; up to 3 m high; stout; robust; rhizomatous; densely tufted. Roots sometimes with small stilt roots. Culms up to 4 mm thick. Leaf blades up to 800 x 3-7 mm; basal sheaths hairy. Flowers: in a complex; false panicle; raceme pairs with 5-8 awns; awns 16-25 mm long; raceme bases subequal; flattened; short-appendaged; sessile spikelets 5 mm long; becoming dark purplish grey; with long white hairs; callus cuneate; pedicellate spikelets villous; spatheoles 26-40 mm long; peduncles 20-30 mm long.
Stout, robust perennial, rhizomatous and tufted (densely), up to 3 m high. Sometimes with small stilt roots. Leaf blades up to 800 mm long, 3-7 mm wide. Culms to 4 mm thick; basal sheaths hairy. Spikelets (sessile) 5 mm long (becoming dark purplish grey, with long white hairs, callus cuneate). Spatheoles 26-40 mm long; peduncles 20-30 mm long; raceme pairs with 5-8 awns, 16-25 mm long; raceme bases subequal, flattened, short-appendaged; pedicellate spikelets villous.