Plants forming hummocks 0.5–1.3 m high, 1.5 m wide, with resinous foliage. Flowering culms 50–60 cm high, slender, glabrous. Leaves: sheaths much shorter than upper internodes, thinly striate, glabrous and smooth on back; orifice bearded with hairs to 2 mm long extending partly to collar; blade folded, 6–23 cm long, 1 mm wide, scaberulous-pubescent on upper surface. Panicles narrowoblong, rather dense, 10–17 cm long and 1.5–2.5 cm wide (including awns); branches 2–3 cm long, triquetrous, bearing 1 or 2 spikelets. Spikelets narrow-cuneate or lanceolate-oblong, 12–21 mm long excluding awns; pedicel 2–12 mm long; florets 6–8, loosely overlapping. Glumes ±equal, linearlanceolate, 12–21 mm long, acuminate or aristulate, scarious with membranous margins, 5–7-nerved, glabrous. Callus 1–1.5 mm long, acute, pungent, densely bearded but tip and midnerve glabrous. Basal lemma 4.5–6.5 mm long (body and callus), cartilaginous with a hyaline to membranous margin, with transverse and curved ridge c. 1 mm below lobes; body thick and pubescent below ridge, thinner and glabrous above; lobes flat and c. 0.5 mm wide at base; midlobe (including awn) 10–22 mm long; lateral lobes (with awns) 7–19 mm long. Palea ±equal to lemma body, emarginate or 2-or 3-lobed; body membranous to hyaline, glabrous; keels scabrous-ciliate, not winged; flaps smooth, with hyaline margins. Anthers 2–2.8 mm long.
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