Flower stem 80-100 cm. Basal leaves 2 or 3-ternate, long petiolate, grey-green. Flowers horizontal to nodding, 5-7 per stem, large, sepals divergent, vine-red or reddish-lilac, petals pale yellow. V - April to October. Fl - May for three weeks. Sometimes flowers again in autumn. Fr - June. P - by seed. Does best in semi-shade on moist soil. Z 4.

Far East, northern Korea, Japan and northeastern China. In forests and open woodland, along streams, in meadows.