Perennial; up to 0.9 m high; tufted. Leaf blades up to 200 x 1-3 mm; curling when old; basal leaf sheaths silky villous. Flowers: in a compacted panicle; spikelets 20-30 mm long; pedicels connate; glumes and lower lemma glabrous or with occasional tubercle-based hairs; upper lemma pubescent; lobe awn 10-20 mm long; central awn 50-100 mm long.
Perennial, tufted, up to 0.9 m high. Leaf blades up to 200 mm long, 1-3 mm wide, curling when old. Spikelets 20-30 mm long; pedicels connate; glumes and lower lemma glabrous or with occasional tubercle-based hairs; female-fertile lemma side awns (18-)22 (-24) mm long, central awns 50-100 mm long.
Superior lemma pubescent, the lobes tapering into bristles 10–20 mm. long, these deciduous with the central awn which is 3–9 cm. long.
Spikelets 18–33 mm. long, yellowish with the inferior glume purple-brown, glabrous or very rarely tuberculate-ciliate.
Panicle up to 20 cm. long, narrowly lanceolate, nodding, bearing 1–6(8) triads of spikelets with connate pedicels.
Culms 20–90 cm. high, slender, the basal sheaths silky villous.
Inferior glume 1/2–3/4 length of spikelet.
Leaf laminae 1–3(6) mm. wide, flat.
Compactly tufted perennial.