Perennials, 5–16 (–30) cm tall, densely caespitose; rhizome short. Stems erect, terete with several shallow grooves. Cataphylls 1–2, apiculate, reddish-brown. Leaves 2–3, basal and sub-basal, pluritubular at base, bitubular near apex, linear, 1–5 cm long; apex obtuse, reaching c. 1/3 of stem; sheaths 1–4 cm long, often castaneous; auricles curved, acute, to c. 0.9 mm long. Lower bracts lanceolate to ovate, subequal, castaneous, not exceeding capitulum, usually 4–6 mm long. Inflorescence a single hemispherical 3–10-flowered head. Pedicels 0.5–2 mm long. Tepals ±lanceolate, subequal, 3–5 mm long, 0.7–0.9 mm wide, ivory-white. Stamens 6, exserted, 4–6 mm long; anthers linear elliptic, white, 1.2–2.0 mm long; filaments 2.5–4.2 mm long; style 0.5–0.8 mm long; stigmas 0.8–2.0 mm long; ovary 2–4 mm long, white. Capsules narrowly ellipsoid-trigonous, 3.8–5.0 mm long, 2–2.5 mm wide, with rostrum 0.6–1.0 mm long, castaneous-brown. Seeds oblong-ovoid, ochraceous, 0.6–0.8 × 0.2–0.3 mm, or c. 2.0–2.4 mm long including two appendages 0.6–1.1 mm long.