Buckwheat is cultivated in various places. The height is 60 ~ 90cm and the stem is empty. The roots are dullness and the root length is 90 to 120cm, which is strong against drought. The leaves are 1 to 3 nodes beneath the main stem but opposite to each other. The flower is white and blooms in infinite inflorescence in July-October, and flowers have many honey, which is the source of honey, and it is mainly used for the crystal modification. There are 8 ~ 9 stamens and 1 pistil. Buckwheat varieties have long stigma, short stamens, short stigma, and long stamens, which are called heterotypic phenomena. Fruits are brown or dark brown when they mature, and their shape is triangular.

It is recognized that wild varieties of nearly identical cultivars are found in northeastern China and Siberia, and this is recognized as a prototype of the cultivated buckwheat. Its origins are in the area of ​​Lake Baikal, the northeastern part of China, And the North and Central Asia of Eastern Asia. China was first known in the Tang Dynasty and was widely cultivated during the Song Dynasty. Because Korea is close to its origin, it is presumed that it was cultivated long time ago through China.

The buckwheat grows well on dry land, has a short growth period of 60 to 100 days, and the strength to adapt to poor environments is particularly strong. It grows in a cool, moderate rainfall area, mild at the beginning of growth, not high temperature in the flowering stage and low in rain. However, since it is short in growth period and adaptable to climate, it can be cultivated everywhere except central soil up to 70 ° N, so its cultivation range is very wide.

Classes are distinguished from summer buckwheat adapted to early sowing, autumn buckwheat adapted to late sowing, and intermediate types with intermediate properties. Foot is used as bare food, and leaves are used as vegetables. Seed fruit is made from buckwheat rice, which is cooked and cooked. It is a starchy plant, but it has a high protein content and contains vitamin B1 · B2 and nicotinic acid. Powder has become a raw material for making confectionery and cotton. In Korea, I ate mexican and cold noodles for a long time. It has a high fiber content and contains rutin, which is used as an antiparasitic or hypotensive agent. It is also grown for the purpose of producing this routine