Basal leaves 2.5–25 cm × 2–7 mm. Inflorescence often poorly compound or even to simple, with usually only one secondary pedicel on any one primary pedicel; secondary/primary pedicels ratio 0–0.3 (–0.7). Tepals (2.3–) 2.5–3.1 mm long, hyaline to light brown with broad hyaline margins. Anthers 0.5–1.1 mm long, linear, shorter or equalling to longer than filaments; anther/filament ratio 0.5–1.8. Capsule equalling to exceeding tepals. Seeds 1.1–1.6 mm long, with apical appendages (0.5–) 0.9–1.7 mm long; seed/appendage ratio 0.8–1.5 (–2.2). 2n=24, fide H.Nordenskiöld, unpubl., herbarium label record [Japan, Gunma Pref., Oze, 15 Aug 1950, M.Fujita (UPS)].