Anemonastrum imbricatum (Maxim.) Holub

Leaves 4--7; petiole 3--5 cm × 1--2 mm, villous, base sheathing; leaf blade 3-sect, elliptic-ovate, 2--3 × 1.2--2 cm, villous, base cordate; central segment petiolulate (petiolule 5--10 mm), 3-sect or 3-parted; lateral segments shortly petiolulate or subsessile, unequally 3-parted; segments and lobes imbricate. Scapes 3--5(--10), 5--12 cm, villous; cyme 1- or 2-flowered. Involucral bract blade 3-parted or 3-lobed, 1--2 cm, villous. Pedicel 1--3.5 cm, villous. Sepals 5--7(--9), purple or blackish purple, rarely whitish, obovate-oblong or obovate, sometimes dimorphic, 8--13 × 4--8 cm, glabrous or sparsely puberulent only along central vein, basal veins 3, vein anastomoses absent, apex acute. Stamens 3--5 mm; filament linear, slightly dilated; anther ellipsoid. Pistils broadly ovoid, 2.5--3 mm, glabrous. Achene body broadly ellipsoid, compressed, 4.5--6 × 3--4 mm, glabrous; wings 0.5--0.7 mm wide; style basally bent, ca.1 mm. Fl. May--Jul.

SW Gansu, Qinghai, W Sichuan, E Xizang.

* Scrub, grassy slopes; 3200--5300 m.

Anemonastrum imbricatum (Maximowicz) Holub; Anemone obtusiloba D. Don subsp. imbricata (Maximowicz) Brühl; A. obtusiloba subsp. geum (H. Léveillé) Ulbrich var. violacea Ulbrich.