Tartary buckwheat leaves are wide triangle, about 2-7 cm long, with papillary protuberances on both sides along the vein, long petioles on the lower leaves, small ones on the upper leaves, and short petioles. Buckwheat leaves are triangular or ovate, similar in size to the former, apex acuminate, base heart.
Buckwheat stems erect, about 30-70 cm, green or slightly purple. Buckwheat is slightly higher than the former, with a maximum height of about 90cm. The color of the stem is green or red.
The achenes of tartary buckwheat are long ovate and dark brown in color. Buckwheat achenes are egg shaped and dark brown in color.