Perennial, rhizomes very short or absent, forming mats. Culms tufted, erect, 20–70 cm tall, usually 2-noded. Leaf sheaths of cauline leaves closed for less than 1/4 of length; leaf blades flat or folded, 10–25 cm, 2–5 mm wide, smooth or scabrid, margins thick, white, base straight, apex subacute; ligule lanceolate, 3–6 mm. Panicle contracted, sometimes dense, 4–15 cm; branches usually paired, erect or ascending, scabrid, bearing 1–4 spikelets. Spikelets 1.1–1.7 cm, green or brown, florets 3–6; rachilla hairs 1–2 mm; glumes membranous, 3(–5)-veined, lower glume 9–12 mm, upper glume 10–13 mm; lemmas leathery, hyaline above awn insertion, lowest 10–13 mm, asperulous, apex 2-toothed; awn 1.2–1.5 cm, geniculate, column twisted, flat; palea keels minutely ciliolate. Anthers ca. 4 mm. Fl. and fr. Jun–Sep.
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