codonopsis lanceolata

Codonopsis lanceolata, also called deodeok or lance asiabell, is a flowering plant native to East Asia (China, Japan, Korea, and the Russian Far East). It is a variety of bonnet bellflower.

It is a hardy perennial climber that grows up to 1.5 m tall. It has bell-shaped flowers that are purple inside and bloom from August to September. The seeds ripen from September to October. The flowers are hermaphroditic and are pollinated by bees and wasps.

It grows in moist areas in woodland on low hills or ...