1、 Leaves

The leaves of wild buckwheat grow alternately with single leaves. The petiole is about 9 cm long, the upper half is relatively short, with white short villi. The shape is a halberd shaped triangle, with similar length and width. The upper part is green, the lower part is light green, 2-7 cm long, the base is heart-shaped, and the stipule is about 5 mm long

The leaves of buckwheat are halberd shaped triangles, about the same length and width; It is heart-shaped, the top is sharper than wild buckwheat, and there are white fluff on the leaf veins

2、 Flowers

The pedicel of wild buckwheat is about 5cm long, and the bracts are generally oval, about 2.5mm long, green. There are about 3-5 flowers in each bract, white or light red, and the flowering period is from May to September

The pedicel of buckwheat is between 4 ~ 8 cm, with white pubescence. It is also terminal or axillary inflorescence. The flowering period is from September to October