Plants forming loose hummocks 0.3–0.5 m high, c. 1 m wide, resinous on leaves and sometimes rachis and glumes, not aromatic. Flowering culms c. 1 m high. Leaves: sheath with many thickened nerves, long-bearded between nerves and at orifice; blade often curved or flexuose, folded, 20–45 cm long, 0.8–1.2 mm wide. Panicles open, 16–30 cm long, 2.5–5 cm wide; axis quadrangular, ribbed; branches to 12 cm long, filiform, lower branches sometimes with secondaries to 10 mm long. Spikelets distant, lanceolate or linear, sometimes terete, 14–27 mm long (including awns), 2–4 mm wide; pedicel 3–30 mm long, slender; florets 7–17; rachilla internodes 1–1.5 mm long. Glumes ±equal, oblong, 5–13 mm long, entire, aristulate, thinly cartilaginous or scarious, keeled upwards, 3 (–many)-nerved, glabrous. Callus 0.2 mm long, truncate, mostly glabrous. Basal lemma: body ovate, 4.5–5 (–7) mm long, indurated and hirsute in lower part, membranous to hyaline above, 9-nerved, yellowish; lobes smooth, often purplish, with stiff erect purplish awns; midlobe (including awn) (2–) 3.5–5 mm long; lateral lobes (with awns) 1–3 mm long. Palea c. 1 mm longer than lemma body, acuminate to blunt, emarginate or 2-lobed, cartilaginous-indurated and hirsute near base, hyaline and scaberulous above; keels thick at base, acute above, narrowly winged; flaps narrow, hyaline. Anthers 2.5–3 mm long.
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