The whole leaf of Corydalis Corydalis has two or three leaves, the leaflets are lanceolate to obovate, the edge is whole, there are usually light white stripes or spots, the edge has rough small papilla or smooth. And the leaves of Corydalis Corydalis are two or nearly three or three, the leaflets are three or three deep, the lobes are lanceolate, whole, wider than the former, and the lower stem leaves have petioles.
The whole leaf Corydalis is a raceme, with 6-14 flowers. The bracts are lanceolate to oval. The flowers are light blue, purplish red or blue purple. The outer petals are wide, curved up and in a rectangular cylinder. The bracts of Corydalis yanhusuo are lanceolate or narrow oval, the flowers are purple red, and the petals are similar to the former.
