Plants most often 7–15 cm tall. Bracts usually brown to dark brownish, rarely pale brownish, oblong-ovate, ±obtuse, 3.5–4.5 mm long; apex scarious, ±equalling perianth. Lower flower not or slightly remote. Tepals blackish brown to pale brown, (3.5–) 4.0–5.0 (–5.5) mm long; style c. 0.4–0.5 mm long; stigma c. 0.8 mm long. Capsule c. 4.5–6.0 mm long, usually distinctly exceeding perianth. Seeds 0.8–0.9 × c. 0.25 mm, with two subequal appendages c. 0.7–1.0 mm long each. 2n = c.120, c.130, fide K.Mičieta, Folia Geobot. Phytotax. Phytotax. 18: 196 (1983) [with a brief discussion of the karyological variation].