Closely allied to C. elatus. Usually more robust. Leaves often broader, up to 18 mm wide. Cladoprophylls with smooth keel. Spikes very dense (usually c. 70 spikelets to the spike), 6-8 mm (ultimately up to 10 mm) wide. Spikelets somewhat broader, c. 1½ mm wide, obliquely patent. Wings of the rachilla lanceolate, 1/5 mm wide. Glumes ovate to elliptic, (1¼-)1¾-2 by 1-1¼ mm. Anthers with a large, setulose appendage of the connective about half as long as the anther-cells. Nut oblong-ellipsoid, c. 1.2 by 2/5 mm.
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