Caespitose perennial; culms 60–150 cm. high, often wiry.. Leaf-blades often convolute, 10–60 cm. long, 1–4 mm. wide, attenuate to a filiform tip.. Panicle spiciform, 5–18 cm. long, very dense, the rhachis tomentellous to pilose; bristles 2–8 mm. long, slender, flexuous, fuscous, copious.. Spikelets elliptic, 2–2.5 mm. long, dorsally compressed, buried among the bristles, readily deciduous; glumes up to 1/2 as long as the spikelet; lower floret sterile without a palea, its lemma membranous; upper lemma finely longitudinally striate.
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