Perennial herb, 0.1-0.3 m high. Leaf blades parallel-sided, flat, 1.5-2.0 mm wide, truncate, thick, upper surface ribbed. Culm terete, ridged, 1 mm in diam. Inflorescence a dense subglobose head, 8.0-12.5 mm in diam., of 6-15 spikelets. Subtending bracts 2 or 3, lowest up to 10 mm long, shorter than to slightly longer than inflorescence, dilated at base, leaf-like, spreading. Spikelets ovate to lanceolate, up to ± 7 mm long. Glumes ± boat-shaped, 3.5 mm long, keel non-excurrent or excurrent into minute point. Flowering time July-Oct., Dec., Mar. Nutlet obovate, including gynophore and stalk 2 mm long, 3-angled, reddish brown, surface smooth to minutely reticulate. Gynophore large, lobed.
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Robust, grey-green, tufted perennial. Spikelets chestnut-brown.
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