Plants forming hummocks 0.1.0.9 m high, to 2 m wide, resinous on culms, foliage, and inflorescences. Flowering culms 0.9.2 m high. Leaves: sheaths overlapping, cartilaginous to indurated; sheath inner margin broad, chartaceous, glabrous; sheath outer margin with hairs 3.4 mm long; orifice ciliate with resin-matted hairs; blade often flexuose or curved, folded, 15.34 cm long, 0.8.1.3 mm wide, scabrous-papillose on adaxial surface, sometimes with sparsely prickly margins. Panicles linear-oblong, contracted, 8.28 (.45) cm long and 2.4 (.6) cm wide (including awns); axis angular; branches 4.11 cm long, sometimes further divided. Spikelets lanceolate or cuneate, terete when young, later laterally compressed, 8.19 mm long excluding awns, 2.5 mm wide; pedicel to 13 mm long; florets (3.) 6.11; rachilla internodes 1.5.2.3 mm long. Glumes ±equal, lanceolate, 6.5.13.5 mm long, entire and aristulate, or 2-lobed then often aristulate from sinus, scarious with thinner margins, carinate, 3 (.7)-nerved, scabrous or smooth, brown-purplish and strongly contrasting with green florets; awnlets to 2 mm long. Callus 0.5.0.8 mm long, obtuse to acute, bearded except on tip and midnerve. Basal lemma 4.6 mm long (excluding awns), ±uniformly cartilaginous, without transverse line or ridge, many-nerved, often with rows of hairs in lower part; upper margins hyaline; midlobe (including awn) 5.11 mm long; lateral lobes (with awns) 3.5.8 mm long, 0.3.0.6 mm wide at base. Palea usually 4.5.5.5 mm long, entire or 2-lobed, thinly cartilaginous or gradually thinner near apex, mostly glabrous; keel wingless or upper part winged; flaps with hyaline margins. Anthers 2.3.5 mm long.
Found in a wide variety of habitats and in sandy and stony soils associated with laterite, sandstone, quartzite, granite and calcareous deposits.