Auricles usually ±obtuse, c. 0.2–0.3 mm long; cauline leaf with blade to c. 1 cm long. Inflorescence usually of a single flower, sometimes of a 2–3-flowered head. Tepals 2.8–3.2 mm long. Anthers 0.5–0.8 mm long; filaments c. 2.5 mm long. Capsule 3.0–3.2 mm long, with usually only the 0.5–0.9 mm long rostrum exceeding perianth.