Caespitose perennial. Culms 35–100 cm high; mid-culm internodes scabrous or puberulous below node. Young shoots intravaginal. Leaves: basal sheaths with margins free or connate near base, scabrous to puberulous, usually purplish; ligule 0.2–0.6 mm long, truncate, apically ciliolate, abaxially pubescent; blade involute, 4–25 cm long, 0.3–0.75 mm wide, firm, adaxially scabrous to puberulous, abaxially sparsely to densely scabrous, glaucous. Panicles open, 5–18 cm long. Spikelets 4–5.1 mm long, with 3–6 bisexual florets. Glumes 3-nerved; lower glume 1.7–2.8 mm long; upper glume 1.8–3.2 mm long. Web weakly to moderately developed. Lemma 2.6–3.5 mm long, 5-nerved, puberulous in lower half with longer hairs on nerves. Anthers 1.5–2.1 mm long.
Mainly in driersubalpine grasslands and eucalypt woodlands, mostly at c. 1300–1700 m, rather rareabove treeline.