Russia Flora: Plant, up to 15 cm tall, evergreen, with thin creeping orange-brown roots up to 30 cm long. Stems at base with remnants of dead leaves, erect, rounded, glabrous or shortly pubescent in upper part. Basal leaves 2-7 in number, ternately compound, with petioles 2-8 cm long; leaflets obovate or more or less rounded, 0.5-2 cm long and wide, unevenly serrate-dentate, cuneate at base, coriaceous, dark green and glossy on upper surface, light green on lower surface, glabrous or slightly pubescent along veins. Flowers solitary, rarely in pairs, 1-1.6 cm in diameter. Sepals 5, up to 8 mm long, 3-4 mm wide, oblong-ovate, white, sometimes with pale yellow or lilac (on lower side) tinge. Nectary-petals 5 (rarely more), narrowly funnel-shaped, light yellow or orange. Stamens numerous. Anthers elliptical, yellow-orange. Ovaries 5 (7), erect, on more or less pubescent stalks elongating to 8-15 mm. Follicles 10-24 mm long, 2-3 mm wide, almost lanceolate, drawn into style 0.5-1.5 mm long in upper part, membranous, light brown. Seeds 1.5-2 mm long, 1-1.2 mm wide, oblong, with weakly expressed longitudinal grooves, brown, glossy. 2n = 18 (Sokolovskaya, 1963). (Table II).

Distribution: Anadyr-Penzhina, Okhotsk, Aldan, Kamchatka, Commander Islands, Northern Sakhalin, Northern Kuriles, Bureya, Amgun, Ussuri, Southern Sakhalin, Southern Kuriles (Fig. 6). - In wet meadows, swamps, forests, mountain peaks, in tundra zone. VI-IX. - General distribution: Japanese-Chinese (Japan: Hokkaido, Honshu islands), North America. - Described from Canada.