Tufted, robust perennial, up to 1800 mm high; basal leaf sheaths usually densely hairy. Leaf blade 3-6 mm, tapering into long fine apex, often curling with age. Inflorescence 80-160 mm long. Sessile spikelet 12-15 mm long; lower glume flattish, apex shallowly 2-toothed; upper lemma awn 40-120 mm long, dark brown to black, coiled part ciliate/hairy, upper part scabrid; anthers 3.5-4.0 mm long. Pedicelled 10-13 mm long; awnless.
Robust perennial, tufted, up to 1.8 m high. Leaf blades 3-6 mm wide. Spikelets (sessile) 12-15 mm long (pedicellate somewhat shorter); lower glume of sessile spikelets flattish, tip not toothed.
Pedicelled spikelet 10–13 mm long, shortly ciliolate, the inferior glume with a midnerve and 2–3 conspicuous lateral nerves adjacent to each keel.
Robust perennial up to 180 cm high; basal leaf sheaths densely pilose.
Racemes 7–19 cm long, ± straight to gently curved.