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Perennial herb, with annual aerial parts, 0.19-0.59 m high. Leaves: sheaths with mouths truncate or convex, villous; blades 1.5-5.0 mm wide, flanged V-shaped, glabrous to villous. Culm nodose, glabrous or angles sparsely hirsute, bases sometimes thickened up to 7 mm in diam. Inflorescence unbranched, 25-85 mm long, glomerules 3-7, of 2-7 sessile or subsessile spikelets. Subtending bracts densely pale reddish or blackish ciliate, awned, 4-12 mm long. Spikelets 4-5 mm long. Glumes 2-5 mm long, awned, pale with red streaks. Flowering time Oct.-Dec. Nutlet ovate to broadly elliptic, 1.3-1.5 mm long, grey or grey-brown, surface glabrous, smooth or lightly tuberculate.
Perennial. Rhizome 2-4 mm thick, woody: scales brown. Culms 0.16-0.5 m tall, glabrous or the angles sparsely hirsute, 2-15 mm distant; bases sometimes thickened to 7 mm. Leaves 1.5-5 mm broad, glabrous to villous, mouths of sheaths truncate or convex, villous. Inflorescence unbranched, 25-85 mm long. Glomerules reflexed, 3-6-(7), of 2-7 sessile or subsessile spikelets. Bracts densely pale-, reddish-or blackish-ciliate, awned, 4-12 mm long. Spikelets 4-5 mm long. Glumes 2-5 mm long, densely pale-, reddish-or blackish-ciliate, awned, pale with red streaks. Achene ovoid to subglobose, 1.2-1.5 x 1 mm, glabrous, smooth or lightly tuberculate, grey or grey-brown.
Perennial herb, up to 500 mm tall. Inflorescence unbranched, with spikelet clusters reflexed at maturity. Achene smooth or lightly tuberculate. Glumes densely hirsute, pale, red or black.
