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Perennial, tufted, up to 1 m tall. Leaf blades 100-150 mm long, 1-3 mm wide, blue-green, rigid, often folded, tip shortly tapered to a stiff point; ligule up to 8 mm long and often split. Culms slender and wiry. Spikelets ± 6 mm long, 2 mm wide, covered with hairs. Inflorescence 3-6 mm wide; lower glumes acute, rarely acuminate.
Leaf laminae 1–2 mm. wide, folded, the base narrower than the sheath, rigid, ribbed above, without thickened margins.
Involucre 6–8 mm. long, villous, without cartilaginous margins, acute.
Inferior lemma hirsute above.
Panicle 7–13 cm. long.
Culms 40–90 cm. high.
Tufted perennial.
