Cassia obtusifolia, also known as Cassia obtusifolia, is a dried and mature seed of Cassia obtusifolia or Cassia minor in Leguminosae.

The plant in the picture should be Sophora alopecuroides.

Huang Huai, also known as Huang Huai, is a small deciduous tree in Leguminosae. Feather compound leaves, obovate-elliptic, with rounded apex. The base is slightly inclined; There is a rod-shaped gland between two or three pairs of leaflets at the lower part of the leaf axis. The flowers are large and bright yellow, and the seeds sometimes shrink slightly. It blooms almost all year round, but mainly from March to 65438+February.