Herb, annual, 1–7 cm high. Leaves tufted, glabrous; sheath 1–5 mm long; lamina recurved or erect, terete, linear, 3–12 mm long. Cataphyll obtuse, 1.5–3.5 mm long. Scape terete, up to 6 cm long, glabrous; rarely reduced and the head subsessile. Heads narrowly cylindric, 0.7–1 mm wide. Primary bracts opposite, closely sheathing, glabrous; outer bract with a brown cartilaginous basal sheath 2–4.2 mm long passing abruptly into a recurved lamina 3–20 mm long; inner bract 2–4 mm long, acute, brown cartilaginous, lacking a lamina. Secondary bracts absent (rarely 1 per head, scarious). Pseudanthia 1–3, bisexual. Stamen adnate to gynophore; anther 0.5–1.5 mm long. Carpels 6–30; styles connate at the base; papillae simple, c. 0.03 mm long. Seed ovoid, 0.5–0.8 mm long.
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