Perennials, 3–7 (–10) cm tall; rhizome creeping, branched, long-noded; stolons short. Cataphylls 1–2 (–3). Cauline leaves 2–3, unitubular, perfectly septate, to 5 cm long, 0.5–0.8 mm in diam.; apex ±acute; sheaths with membranous margins; auricles scarious to membranous, to 0.5 mm long. Lower bract ±leaf-like, to c. 2.5 cm long, or pale brown to castaneous, c. 0.5–1 cm long, shorter than inflorescence or longer when inflorescence reduced to a single head. Inflorescence a single terminal head, or of 2–6 obconical to semiglobose (2–) 3–4 (–7)-flowered dark heads. Tepals ±ovate, subequal, 1.7–2.3 mm long; outer tepals oblong-ovate, mucronate, dark castaneous-brown or with a greenish central band; inner tepals oblong, obtuse, often involute, with margins broad and membranous. Stamens 6; anthers c. 0.6–0.9 mm long; filaments 0.5–0.8 mm long; style c. 0.5 mm long; stigmas to 1 mm long. Capsule unilocular, oblong-ovoid, trigonous, ±obtuse, subabruptly or gradually contracted into a 0.2–0.3 mm rostrum, c. 2.2–2.6 mm long, pale brown to brown, shining, distinctly longer than perianth. Seeds ±ellipsoid, apiculate, c. 0.45–0.50 × 0.2–0.25 mm, pale brown, longitudinally c. 18–24-striate, finely reticulate; appendages absent.