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Robust perennial, shortly rhizomatous and tufted (hard and dense), up to 2.5 m high. Leaf blades up to 350 mm long, up to 8 mm wide. Basal sheaths densely hairy, leaves mainly basal, flat or rolled, upper leaf surface densely covered with short hairs, sheath mouth with dense, long to woolly hairs on abaxial side. Spikelets 3.2-4.2 mm long; lower glume broadly ovate, up to half the length of spikelet, 3-5-nerved; upper glume and lower lemma 7-9-nerved; lower floret male with palea well developed; female-fertile (upper) lemma pale and dull.
Robust, hard, densely tufted perennial to 2500 mm high; rhizome short; basal sheaths densely hairy; leaves mainly basal. Leaf blade to 200-350 x 2-8 mm, flat or rolled; upper leaf surface densely covered with short hairs; sheath mouth with dense, long woolly hairs on abaxial side. Spikelet 3.2-4.5 mm long; lower glume broadly ovate, up to 2/5-3/4 the spikelet length, 3-5-nerved; upper glume 7-9-nerved; lower floret male, lemma 7-9-nerved, palea well developed; upper lemma pale and dull.
Spikelets 3–4 mm. long ovate, pinched at the apex; inferior glume 1/2–2/3 the length of the spikelet, broadly ovate, 5-nerved, acute or acuminate; superior glume 5–7-nerved; inferior lemma 7-nerved, male, its palea well developed; superior lemma and palea pallid or dark, glossy.
A herb. It is a tussock forming grass. It has rhizomes or underground stems and keeps growing from year to year. It grows 2.5 m high.
Robust perennial of caespitose or shortly rhizomatous habit; culms 100–200 cm. tall, arising from a pubescent base.
Leaf laminae 20–50 cm. long and 2–7 mm. wide, tough, linear, flat or involute, acuminate.
Panicle 19–27 cm. long, broadly ovate, moderately to much branched.
