1、 Blade difference

The leaf of tartary buckwheat is a wide triangle, about 2-7 cm long. There are papillary protrusions along the leaf veins on both sides. The lower leaf has a long petiole, and the upper leaf is smaller and has a short petiole. Buckwheat leaves are triangular or oval triangular, similar in size to the former, with tapering at the top and heart-shaped at the base

2、 Stem difference

The stem of tartary buckwheat is erect, about 30-70 cm, and the color is green or slightly purple. Buckwheat is slightly higher than the former, up to about 90cm, and the color of the stem is green or red

3、 Difference of fruit

The achenes of tartary buckwheat are long ovate and dark brown in color. Buckwheat achenes are oval and dark brown in color