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False panicle 30–50 cm long, narrowly oblong, lax or somewhat contracted, decompound; spatheoles 2.5–4 cm long, narrowly lanceolate, glabrous or thinly pilose, turning reddish-brown at maturity; peduncles 1–2 cm long, 1/3–1/2 as long as the spatheole but sometimes almost as long, pilose towards the apex with off-white hairs; racemes c. 1.5 cm long, 4–7-awned per pair, laterally exserted, deflexed; raceme-bases subequal, the superior c. 1.5 mm long, flattened, stiffly barbate, the apex produced into a scarious lobe 0.2–0.5 mm long.
Coarsely tufted, robust perennial 2 000-3 000 mm high; stilt roots present; rhizomatous; culms to 8 mm thick, exposed at base. Leaf blade 300-600 x 3-18 mm. Spatheole 25-40 mm long; peduncle 10-20 mm long; raceme bases subequal, flattened, short-appendaged; raceme pairs with 4-7 awns. Sessile spikelet 5 to 6 mm long, pale or reddish brown; hairs silky white; awn 22-40 mm long; callus cuneate. Pedicellate spikelet 6-7 mm long, villous; awn 2-6 mm long; anther 2.2-3.5 mm long.
Robust perennial, rhizomatous and tufted (coarsely), up to 3 m high. Leaf blades 300-600 mm long, 3-18 mm wide. Culms to 8 mm thick, exposed at base, with stilt roots. Spikelets (sessile) 5-6 mm long (pale or reddish brown, with silky white hairs, callus cuneate). Spatheoles 25-40 mm long; peduncles 10-20 mm long; raceme pairs with 4-7 awns, 22-40 mm long; raceme bases subequal, flattened, short-appendaged; pedicellate spikelets villous, with an awn 2-6 mm long.
Sessile spikelets 5–6 mm long; callus c. 0.6 mm long, narrowly oblong, narrowly obtuse at the apex; inferior glume oblong-lanceolate, pale or reddish-brown, silky villous with white (rarely fulvous) hairs; awn 2.2–4 cm long, the column pubescent with pallid hairs.
Robust, coarsely caespitose perennial arising from a short slender rhizome clad in white cataphylls; culms up to 300 cm high and up to 8 mm in diameter at the base, erect and usually supported by stilt roots.
Leaf sheaths glabrous; leaf laminas 30–60 cm × 3–18 mm, pale green to glaucous, stiff, harsh, scabrid on the margins and scabrid or scaberulous on the nerves.
Pedicelled spikelets 6–7 mm long, villous with white (rarely fulvous) hairs, terminating in a bristle-like awn 2–6 mm long or sometimes merely acuminate.
Homogamous spikelets 5–9 mm long, a single pair at the base of the inferior raceme only, villous.
Coarse perennial 2–3 m. high
