The petals are purple, and some are red. They are filiform and about 1 cm long.
The petals of shepherd's purse are usually white, open in the shape of a cross, obovate, about 2.5mm in diameter.
The leaves are oblanceolate, or oblong, with a length of about 7-21 cm. The top crack is triangular and has 7-8 opposite lobes.
The leaf length of shepherd's purse is usually 12 cm, and the terminal lobes are very large, ovate to long ovate. There are 3-8 pairs of lobes. The lobes are very small.
Nihu vegetable can grow to about 100 cm, the stem is solitary, rarely clustered, and very thin, the upper part often has branches, a few will not branch.
Shepherd's purse growth height is relatively low, usually half the height of the former, the stem is upright, there are branches, or single hair.
