1、 Blade difference

The basal leaves of solitary vegetable are narrow spoon shaped, with a pinnate deep or shallow crack, about 3-5cm long and 1-1.5cm wide, and the petiole is about 1-2cm long. The leaves on the upper part of the stem are linear, complete or serrated. The basic leaves of shepherd's purse are rosette shaped, with big head and pinnate division. Compared with the former, they are wider, about 12 cm long and 2.5 cm wide. The top lobe is oval and then oblong, and the side lobe is oblong and then oval. Stem leaves are narrow lanceolate or lanceolate, the base is arrow shaped, and the edge is serrated

2、 The difference between flowers

The solitary vegetable is a raceme, about 5cm long in the fruit stage. The sepals are oval, fall off early, have pilose outside, and the petals will degenerate into filamentous shape and the color is white. Shepherd's purse is also a raceme, but it is much longer than the former, about 20 cm. The sepals are oblong, and the petals are oval and white