Perennials, 20–45 cm tall, caespitose; rhizome ±horizontal, short-creeping, very short-noded. Cataphyll single, stramineous or maroon, acute; basal leaves 1–2, 2–16 cm tall. Cauline leaves 2–3, 2–16 cm long, terete, perfectly septate, unitubular, to c. 1.3 mm in diam.; tip subulate; auricles 2–3.5 mm long, rounded, scarious. Lower bract ±scarious, distinctly 3-veined, white or stramineous, narrowly ovate to linear-lanceolate, 1–1.8 cm long, shorter than to slightly exceeding inflorescence, erect or spreading; other bracts white or stramineous, ovate, 2.5–3 mm long. Inflorescence a single head (rarely a cluster of 2–3 heads), 0.5–2 cm long; heads spherical, 15–25-flowered, 11–14 mm in diam. Tepals equal, lanceolate, light green to light pink or white, obtuse to ±mucronate, 3.1–4.2 mm long; midrib often prominent. Stamens 6, not exserted; anthers 1.6–2.2 mm long; filaments 0.7–1.5 mm long; style (1.7–) 2–3 mm long; stigmas 1.5–2.5 mm long. Capsules unilocular, broadly obovoid to ovoid, obtuse, 2.2–2.5 mm long, stramineous, shorter than perianth. Seeds 0.5–0.6 × 0.2–0.3 mm; appendages absent.