1. Leaf
The leaves of wild buckwheat are alternately growing. The length of the petiole is about 9 cm. The upper half is relatively short. It has a shorter of white fur. The shape is halberd -like triangle.-7 cm, the base of the base, about 5 mm long.
The leaves of Sky Buckwheat are halberd -like triangles, which are about the same length and width. It is heart -shaped, with the top than wild buckwheat tip, and white fluff on the leaf veins.
Two, flowers
The stem sink of the wild buckwheat is about 5 cm long. The bracts are generally ovate, about 2.5 mm long, and green. There are about 3-5 flowers in each bud, which are white or light red. The flowering period is from May to September.
The soba of the soba is between 4 and 8 cm. It has a white pour, and it is also the inflorescence or axillary. The flowering period is September to October.
