Adenophora triphylla, also known as Japanese lady bell, is one of the 62 species of Adenophora. It is a flowering plant in the family Campanulaceae that is distributed mainly over the Korean Peninsula, Japan, and China.
Adenophora triphylla is an erect, perennial herb growing to 100 centimetres (39 in) in height. It has a white and thickened taproot, shaped like a carrot, 7-16 × 1.5-1.8 cm in diameter. Stems are white pilose with alternately arranged leaves. It has oval, almost round, serrated leaves ...