Plants 20–40 cm tall; cauline leaves 2–3. Lower bract 1–2 cm long, much shorter than inflorescence. Inflorescence usually 3–7 cm long, of 3–20 heads of 2–5 flowers, c. 5–7 mm wide. Tepals usually castaneous to red-brown; central band often green. Stamens usually 3; anthers 0.6–0.9 mm long; filaments 0.8–1.1 mm long. Capsule ±acute, 3.5–4.0 mm long.