Flowering stem 50-140 cm, cylindric, bristly-pubescent. Leaves rounded, 3-lobed. Inflorescence long, sparsely branched. Flowers numerous, violet-blue, 1.5 cm long, 1.3 cm wide. V - April to August. Fl - July - August. Fr - September. P - by seed. Requires a moist loamy soil and a sunny position; however, can also grow in semi-shade. Z 5.

Far East (southern regions) and northeasern China. In oak forests and meadows, on slopes.