Description from
Flora of China
Stems more than 20 cm tall, to 80 cm at fruiting, simple or branched above middle. Basal leaves ca. 3; petiole 7--31 cm; leaf blade not green when dried, pentagonal, to 4.5 × 8.5 cm, base cordate, 3-sect; central segment rhombic, 3-fid, margin incised-dentate; lateral segments obliquely flabellate, unequally 2-fid nearly to base. Cauline leaves similar to basal ones, shortly petiolate or sessile. Flower solitary, terminal, (2--)3.4--4.5 cm in diam. Sepals 10--15(--20), orange-red or orange, rarely dark yellow, broadly elliptic or obovate, (0.7--)1.5--2.3 × (0.5--)1.2--1.7 cm, margin entire or irregularly dentate at apex. Petals spatulate-linear, longer than stamens but shorter than sepals, (4--)16 × 2--3.5 mm. Stamens ca. 1 cm. Follicles ca. 30; persistent style 0.5--1(--1.5) mm. Fl. Jul. 2n = 16.
Wet places in grasslands, forests. Heilongjiang (Shangzhi Xian), Xinjiang (Altay Xian, Hami Shi) [E Kazakhstan, Mongolia, Russia (Siberia)].