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Tufted perennial 100-450 mm high. Leaf blade 30-200 x to 1.5 mm, somewhat scabrid. Inflorescence 10-50 mm long. Spikelet 5-7 x 1.5-2.5 mm, ovate to broadly ovate; 4-6-flowered; lemma back sparsely pubescent with scattered hairs, margins densely hairy to almost glabrous; lobes truncate, obtuse or rounded, broad, sinus shallow to deep, nerveless as all nerves except midrib end well below apex; a short mucro or awn up to 1 mm long extends between lobes or is absent; palea hairy between keels below; anther 0.8-1.2 mm long.
Tufted perennial, up to 450 mm tall. Leaves linear; ligule a fringe of hairs or a fimbriate, unfringed membrane. Inflorescence a panicle. Spikelets 5-7 mm long, many-flowered; glumes ± equal, scabrid, shorter to longer than spikelet, 5-7-nerved; lemmas rounded, lobed or shallowly notched, sparsely hairy across back, often densely hairy on margins, hairs up to 1.5 mm long, mucronate or mucro absent, 7-9-nerved; anthers 0.8-1.2 mm long.
Like S. inermis but lemmas sparsely hairy, hairs often in a row across lemma back.
