Perennial. Pin-cushions or cushion-rings c. 3 cm high, with rooting branchlets. Leaves 7-15 mm long, obtuse; sheath 3-6 mm long, glabrous or nearly so, with a few hairs on the outer surfaces. Scapes 10-18 mm. Bracts 2, similar in shape, 3½-5 mm long, each 1-2-, rarely 3-4-flowered, sessile, ovate, obtuse, rarely with an obscure awn up to 1½ mm long, usually glabrous, rarely with a few hairs on the outer surfaces. Glumes 1, rarely 2 or 3, on one side of the flower, 2-3 mm long. Filament 2-4 mm long. Carpels usually 2, rarely 3 or 4, united; styles united at the base, 2-3 mm.
Marshy grounds on sand, open clay slope, cracks in granite, 2100-4000 m. Often associated with other cushion or pin-cushion plants of Oreobolus and Monostachya (Fig. 5).
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