Rhizome short. Culms 10-20 cm high, densely tufted. Leaves 5-10 x 0.1-0.2 cm, linear, folded; sheath keeled, closed, glabrous. Umbel 4 x 4 cm, compound; rays 3, secondary rays absent; bracts 3, unequal, longest 10 x 0.2 cm; spikes 1.2 x 0.8 cm, ovoid, oblong or globose. Spikelets 40-50 in a spike, ovate, 10-flowered; glumes 2 x 1 mm, lanceolate, keeled, curved; arista 1.5-2 mm long. Nut obovoid, obtuse, pale brown, smooth.
Flowering and fruiting: July-November
Rocky areas in grasslands

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