Plants 10–35 cm tall; cauline leaves usually 2. Lower bract 2–5 cm long, shorter than or ±equalling inflorescence. Inflorescence usually 2–5 cm long, of 2–6 heads each 2–6-flowered, c. 5–9 mm wide. Tepals usually castaneous-brown to deep brown throughout. Stamens (3–) 6; anthers 0.4–0.7 mm long; filaments 1.0–1.5 mm long. Capsule subacute, c. 3.8–4.6 mm long.