Perennial forming loose mats. Culms slender, decumbent, rooting and branching at nodes, erect shoots 10–30 cm tall, nodes glabrous or bearded. Leaf sheaths lightly compressed, glabrous or rarely pubescent; leaf blades purplish glaucous, 2–5 × 0.2–0.4 cm, stiffly pilose with tubercle-based hairs, margins scabrid, apex acuminate; ligule 0.2–0.5 mm. Raceme 2–7 cm, shortly exserted from uppermost leaf sheath at maturity; rachis internodes and pedicels golden-ciliate. Spikelets 3–4 mm, brown, densely hairy with soft golden hairs; callus hairs 1/3 spikelet length; lower glume villous below middle, hairs usually extending slightly beyond apex, keels green; upper glume densely pubescent except near base, villous on upper keel; upper lemma broadly oblong to ovate, teeth narrow, tipped with hairs; awn slender, 0.8–1.2 cm, puberulous. Anthers 2.5–3 mm. Stigmas exserted from apex of spikelet. Fl. and fr. summer to autumn.