Tubers subconical. Leafy stem ascending or half-climbing 150-250 cm tall. Leaves deeply palmately cleft, with 5-7 lobes. Raceme inflorescence very loose. Flower numerous bright blue 2-3 cm long, frequently recurved. V - April - November. Fl - August - October. Fr - September - November. P - by seed, sawn fresh, by division. Cold-resistant, diseases-resistant, self-sowing. Good for wall decorating in places with low maintanance. Z 4 (3). New.

Far East (southern regions), northern China, Japan, Korea. In clearings and valley in forests.