The general height of Pansy is 10-40cm. Its stem is relatively thick, or upright growth, or slightly inclined growth, with a single edge. The height of Corydalis is generally 10-30cm, the stem is relatively short, but it grows upright and has four edges.
The leaves of Corydalis triangularis are ovate, the front and base are round and blunt, there are sparse serrations on the leaf margin, and the stipules are large. Leaves of Corydalis are lanceolate or ovate, stipules are smaller.
The flowers of Corydalis triangularis are relatively large, with a diameter of about 3.5-6cm. Generally, 3-10 small flowers are born on the same rhizome. The flowers of Corydalis are relatively small, with a diameter of about 2.5-4cm.
