Plants forming hummocks 0.3–0.45 m high, sometimes stoloniferous, highly resinous on leaves. Flowering culms 1–1.3 m high. Leaves: sheath loose on culms, not auriculate, with numerous thick nerves, hirsute especially near nodes and on margins; orifice bearded with resin-matted hairs to 5 mm long; blade flexuose or curved, loosely conduplicate or flat, to 60 cm long, 2.5 mm wide, not pseudopetiolate, with thick nerves adaxially, densely scabrous-papillose, with smooth or slightly prickly margins. Panicles rather dense, to 43 cm long, 1.5–3 cm wide; branches to 9 cm long, alternate, wavy, simple, flat or triquetrous. Spikelets contiguous, narrowly cuneate-elliptic, 5–6 mm long, 1.5–2 mm wide, tightly 3 (–4)-flowered; pedicel 1–3.5 mm long. Glumes oblong-elliptic, acute or subobtuse, scarious, obtusely carinate, glabrous; lower glume 4.5–5.5 mm long, minutely 2-lobed with mucro in sinus, 3–5 (sub 7)-nerved; upper glume 4–4.5 mm long, acute, entire, muticous or mucronulate, 3 (sub 5)-nerved. Basal lemma c. 5 mm long, cartilaginous to indurated with membranous margins, with 9 widely spaced nerves, mostly hirsute; lobes bristle-like, c. 2 mm long, subulate, scaberulous-ciliolate. Palea narrow-oblong, 3.5 mm long, entire, membranous, ciliolate at apex; keels wingless. Anthers c. 1.7 mm long.
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