Rape generally refers to European rape. European rape, a herbaceous crop of Cruciferae and Brassica, is native to Europe and widely planted all over the world. European rape is widely planted in all parts of China. After multiple generations of reproduction, many varieties have been hybridized with their own characteristics. Rape is mainly used as oil crops. The green part and fleshy root can be used as vegetables and sometimes as animal feed.
European rape, with spherical seeds, about 1.5 mm in diameter, yellowish brown, often black near the hilum, reticular nests, and flowering from March to April.
European rape is one of the important sources of seed vegetable oil. Seed oil is used to make lubricants, greases, plastics, insect repellents, varnishes, nylon, soap, etc. （YouCaiShiOuZhouYouCaiHaiShiYouBaiCai）