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Tufted perennial, sometimes with short rhizomes; culms 20–100 cm. high, hard, usually without cross-veins in the basal sheaths.. Leaf-blades tightly rolled, 5–20 cm. long, 1–2 mm. wide.. Panicle cylindrical, 2–16 cm. long, often somewhat interrupted.. Spikelets ovate, laterally compressed, 1.5–2.2 mm. long, mostly pubescent; lower glume ovate, ± 1/2 as long as the spikelet; upper glume membranous; lower floret male, its palea almost as long as the lemma.
Perennial, shortly rhizomatous and tufted, 0.9 m high. Leaf blades 50-200 mm long, usually rolled or folded, 1-3 mm wide, leaf sheaths with cross-veins absent or inconspicuous. Spikelets 1.5-2.2 mm long. Panicle spike-like, scanty, sometimes interrupted, 20-160 mm long; spikelets laterally compressed; lower glume two-thirds and upper glume four-fifths the spikelet length.
Erect perennial up to 60 cm. high growing from a short rhizome, the culms soft below
Culms 20–100 cm. high, hard, usually without cross-nerves in the basal sheaths.
Leaf laminae 1–2 mm. wide, tightly rolled, strongly ribbed, papillose or not.
Panicle 2–16 cm. long, cylindrical, often somewhat interrupted.
Spikelets 1.5–2 mm. long, ovate, mostly pubescent.
Shortly rhizomatous perennial.
