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Tufted perennial to 500 mm high; erect or decumbent; often wiry; sometimes shortly rhizomatous; stoloniferous; basal leaf sheaths glabrous. Leaf blade 30-70 x 2-3 mm, linear-lanceolate, tapering to a long acuminate tip, base straight, not reflexed. Inflorescence 10-60 mm long; moderately branched; branches short, ascending to adpressed. Spikelet 1.3-1.7 mm long, broadly ovate, strongly flushed with purple; glume apex not recurved; lower glume 1/3 the spikelet length, broadly ovate, 3-5-nerved; upper glume 5-nerved; lower floret usually male, lemma 5-7-nerved, palea well developed; upper lemma pale, shiny or dull.
Spikelets 1.5–1.8 mm. long, broadly ovate or elliptic-oblong, glabrous, obtuse; inferior glume 1/3 the length of the spikelet, broadly ovate, 3–5-nerved, slightly saccate; superior glume ovate, 5-nerved; inferior lemma similar to the superior glume but 5–7-nerved, male, its palea well developed; superior lemma and palea pallid, shining.
Panicle 2.5–6 cm. long, oblong, moderately to sparsely branched, the branches short, ascending or appressed.
Leaf laminae 3–7 cm. long and 2–3 mm. wide, linear, flat and acuminate, or involute and somewhat pungent.
Tufted perennial; culms 20–50 cm. high, erect or decumbent, often wiry.
