The World Flora Online

Rhizome 3--4 mm in diam. Stems suberect, 8--18 cm, unbranched or branched once. Basal leaves 3--4, not fully expanded at anthesis; petiole 3.5--10 cm, basally sheathed; leaf blade narrowly ovate to ovate-oblong, 3.7--8.8 × 2.2--4.5 cm, subleathery when dry, with 4 or 5 pairs of lateral leaflets, basal ones with slender petiole, others shortly petiolate; leaflets 2 × pinnately divided; segments sessile, margin 1-toothed or entire, apically cuneiform-obovate. Stem leaves 2 or 3, similar to basal leaves but smaller. Flowers 1.7--2.5 cm in diam. Sepals subelliptic, 7--10 × 4--5 mm. Petals 5--7, white but basally brown, obovate, 0.9--1.4 × 0.8--1.1 cm, apex rounded. Stamens ca. 1/2 as long as petal; anthers narrowly oblong. Aggregate fruit ovoid, 3.5--4 × 2--3 mm, slightly rugose. Fl. May--Jun.

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Perennial. Rhizome vertical or oblique. Stems 6-17 cm, usually several, decumbent or ascendant, rarely erect. Radical leaves numerous, glabrous, with a long petiole and membranous sheath, lamina oblong-elliptic, narrow, rarely ovate, usually bipinnate, with 3 to 6 remote pairs of leaflets and a terminal one, leaflets sessile or very shortly stalked with short rounded lobes. Stem leaves 1-2, sessile or shortly stalked, lamina similar to basal leaves. Flowers solitary, cup-shaped, white, 20-25 mm in diameter. Sepals 5, green or purplish. Petals 6-10, broadly ovate to suborbicular. Stamens numerous. Follicles 5 x 2.5-3 Type: Alatau: “in trajectu Mundsdihe ad frontes fluvii Talger” Brotherus, exs. no. 274.

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