Perennials, 5–42 cm tall, densely caespitose to mat-forming; rhizome short-noded, ±horizontal, with sheath-like scales. Cataphylls 4–6, the uppermost with blade to c. 1 cm, rarely longer. Leaves (2–) 3 (–4) per stem, arranged bract-like, distal, rarely 1–2 leaves in proximal position; lower leaf inserted c. 1–3 cm below inflorescence, usually 4–12 cm long, 0.3–1.0 mm wide; other leaves ±tightly subtending inflorescence, ±flat to slightly canaliculate; margins ±without sclerenchyma bands, finely serrulate; dorsal epidermis sparsely papillose; sheaths to c. 4 cm long; auricles to 4 mm long, lacerate. Inflorescence terminal, reduced to 1–3 (–4) subsessile congested flowers conspicuously overtopped by leaves. Bracteoles distally ±lacerate, to c. 2.5 mm long. Tepals ±equal or outer ones longer, lanceolate to ovate, acuminate, (2.0–) 2.8–3.5 (–4.2) mm long, light to dark brown; margins scarious. Stamens 6; anthers 1.2–1.5 mm long, ±mucronate; filaments c. 0.5–0.7 mm long; style 1.0–1.5 mm long; stigmas 2–3 mm long. Capsule trilocular, trigonous-ovoid, 2.2–3.7 mm long including a mucro 0.7–1.0 mm long, dark brown, ±exceeding perianth. Seeds indistinctly reticulate, 0.8–1.0 mm long, or 1.2–1.6 mm long including appendages, c. 0.5 mm wide; appendages c. 0.2 and c. 0.3 mm long. 2n = 30, fide Á.Löve & D.Löve, Univ. Colorado Stud., ser. biol. 24: 25 (1966); S.Snogerup, in Ö.Nilsson & S.Snogerup, Bot. Not. 125: 1 (1972).