Herb, 1.5–6 cm high, annual. Leaves distichous, equitant, glabrous; sheath 2–6 mm long; lamina subterete, 4–12 mm long, c. 0.4 mm wide. Cataphyll absent. Scape 1–5 cm long, terete below, two-edged near the head, glabrous. Heads laterally compressed, oblong, 0.6–1 mm wide. Primary bracts opposite, glabrous, closely sheathing; outer bract with a membranous or scarious basal sheath 2.6–3.8 mm long and a herbaceous lamina 3.6–10 mm long; inner bract similar but the lamina 1–4 mm long. Secondary bracts 2 per pseudanthium, acute, entire. Pseudanthia 2–5, bisexual. Stamen free; anther c. 1 mm long. Carpels 1–3; styles connate below middle; papillae simple, c. 0.02 mm long. Seed fusiform, 0.6–0.7 mm long.
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