Caespitose; stem 10–20 (–25) cm tall; rhizome short; stolons mostly intravaginal. Cataphylls 1–2; cauline leaves 2–4, sometimes exceeding inflorescence, 3–10 cm long, to 2 mm wide; auricles 2–3 mm long, scarious. Lower bract to c. 1.5 cm long. Inflorescence of 3–10 (–13) usually semiglobose 7–20-flowered heads to c. 1 cm in diam. Tepals ±equal or the inner ones slightly longer, 2.9–3.5 mm long, oblong-ovate, greenish to brownish, often suffused reddish, ±acute; inner tepals to c. 1.2 mm wide, often mucronate; margins to 0.2 mm wide, membranous. Anthers 0.9–1.1 mm long; filaments 0.5–0.6 mm long; style 0.4–0.5 mm long; stigma c. 1.0–1.5 mm long. Capsule ovoid-trigonous, c. 3.5–4.0 mm long, exceeding perianth or slightly so, subabruptly contracted into 0.3–0.7 mm rostrum, pale brown. Seeds 0.4–0.5 × 0.2–0.3 mm, pale brown, longitudinally c. 20–24-striate, indistinctly transversally reticulate; appendages absent.