Perennials 15–30 cm tall, loosely caespitose; rhizome ascending, with numerous short ascending vegetative shoots. Stem ±green. Basal leaves 1–4, 3.5–6.0 cm long, 4–5 mm wide; cauline leaves 3 (–4), with lower ones broader, 3–6 cm long, 2.0–5.5 mm wide. All leaves apiculate, glabrous or with sparse hairs at sheath mouth. Lower bract up to 1.5 cm long, rarely 3 cm long, sometimes overtopping inflorescence. Inflorescence a single congested dark head composed of indistinct clusters; each flower usually with a short visible peduncle to 1 mm. Bracteoles 1.0 (–1.5) mm long, brown; apex obtuse, ciliate. Tepals equal, glabrous, ovate-lanceolate, 1.8–2.2 mm long, ±dark castaneous-brown; margins not visible. Stamens 6; anthers (0.3–) 0.4 mm long, slightly shorter than or equal to filaments; filaments c. 0.4 mm long; style 0.2–0.3 mm long; stigmas 0.8–1.0 mm long. Capsule subglobular-ovoid, equalling or slightly exceeding perianth, almost rounded above, with a short apiculate mucro; capsule segments 1.7–1.8 × 1.2–1.3 mm long. Seeds paler castaneous-brown, c. 1.0 mm long, c. 0.6 mm wide; appendage absent; base fibrillate.