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Densely tufted perennial, the base invested in tightly packed dead sheaths; culms 30–120 cm. high, the nodes glabrous or pubescent.. Leaf-blades linear, often narrow, 10–30 cm. long, 1–10(–15) mm. wide, harsh, plicate when young but soon flattening, often falsely petiolate, attenuate to a filiform tip.. Panicle contracted, linear to narrowly lanceolate (or open and narrowly ovate), 5–20 cm. long, the branches pubescent or sometimes pilose; bristles 2–10 mm. long, often inconspicuous.. Spikelets narrowly ovate to elliptic; 2–3 mm. long; lower glume 1/4–1/2, the upper 1/2 to as long as the spikelet; lower floret male, its lemma not sulcate; upper lemma rugose, pallid.
Densely tufted perennial 300-1200 mm high; rhizome short, creeping; culm node glabrous. Leaf blade 100-450 x 1.5-7.0(-13.0) mm, linear, finely plicate though mostly only when young, flat or inrolled, base slender, often pseudopetiolate, glabrous or hairy. Inflorescence contracted, but not spike-like, sometimes open, not flexuous; bristles solitary, 2-10 mm long, slender, scabrid, green or purple. Spikelet 2.0-3.5 mm long; lower glume 3-nerved; upper glume 1/2 to as long as spikelet; upper lemma distinctly but finely rugose throughout, extreme apex often less conspicuously so; anther 1.5-2.0 mm long.
Perennial, rhizomatous (rhizomes short and creeping) or tufted (densely), up to 1.2 m high. Leaf blades 100-450 mm long, l,5-7.0(-0.0) mm wide, linear, finely plicate, flat or inrolled. Culm nodes glabrous. Spikelets 2.0-3.5 mm long. Panicle open or loosely contracted; bristles solitary; lower glume 3-nerved; lower lemma rugose.
Perennial; up to 1.2 m high; rhizomes short and creeping; or densely tufted. Culm nodes glabrous. Leaf blades 100-450 x 1.5-7.0(-10.0) mm; linear; finely plicate; flat or inrolled. Flowers: panicle open or loosely contracted; spikelets 2.0-3.5 mm long; bristles solitary; lower glume 3-nerved; lower lemma rugose.
Panicle 5–20 cm. long, usually contracted and narrowly lanceolate but sometimes open and narrowly ovate, the branches pubescent or sometimes pilose; bristles 2–10 mm. long, often inconspicuous.
Leaf laminae 1–10 mm. wide, linear, often narrow, harsh, plicate when young but soon flattening, often falsely petiolate.
A grass that forms tufts. It keeps growing from year to year. It grows 30-120 cm high.
Densely tufted perennial, the base invested in tightly packed dead sheaths.
Inferior glume 1/4–1/2 the superior 1/2 to as long as spikelet.
Culms 30–120 cm. high, the nodes glabrous or pubescent.
Spikelets 2–3 mm. long, narrowly ovate to elliptic.
Superior lemma rugose, pallid.
