Perennial, caespitose, occasionally stoloniferous. Culms 48–105 cm high. Young shoots intravaginal. Leaves: basal sheath margins free and overlapping; ligule of basal leaves 0.4 mm long; auricles absent; blade tightly folded with involute margins or convolute, angled, filiform, 10.5–25 cm long, 0.4–0.9 mm wide (not flattened out), rather stiff, often somewhat glaucous or pruinose, adaxially densely scabrous to puberulous at base. Panicles open, 11–30 cm long. Spikelets 10–19 mm long, with 4–7 bisexual florets. Glumes: lower glume 3.4–4.7 mm long, usually 1-nerved; upper glume 5.1–6.8 mm long. Basal lemma laterally compressed, 7.2–8.5 mm long, acute, awned, obscurely 5-nerved, scabrous on midnerve; awn apical, 1–5 mm long. Caryopsis obloid.
An occasional component of upland(mostly above c. 500 m) eucalypt forests and woodlands, sometimes extendinginto, and locally common in, treeless subalpine grasslands.
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