1、 Blade difference

The terminal leaflets of Pueraria lobata are obovate, about 10-13 cm long, the apex is caudate acuminate, the base is triangular, the edge is entire, the upper part is green and the lower part is gray. The terminal leaflets of Pueraria lobata are broadly ovate or obliquely ovate, slightly wider than the former, about 7-15 cm long, and the apex is long and acuminate

2、 The difference between flowers

Pueraria lobata is in a racemose shape, with flowers about 15 cm long. It is usually clustered or arranged in panicles. The color of corolla is light red and in the shape of inverted egg of flag petal. Pueraria lobata is a raceme, which is longer than the former, up to 30 cm. The color of corolla is purple, the shape is the same as the former, and the petal is obovate