European rape is a herbaceous crop of Cruciferae and Brassica. The stem is erect and branched, and only young leaves have a small amount of loose bristles; Petiole 2.5-6 cm long, with lobes at the base; The middle and upper stem leaves gradually change from oblong to lanceolate, and the base is heart-shaped and clingy. Racemes corymbose; Pedicel length 6- 12 mm; Sepals ovate, petals pale yellow. Silique linear, thin beak; Pedicel is about 2 cm long. The seeds are spherical, yellow-brown, often black near the umbilicus, and have reticular nests. The flowering period is from March to April, and the fruiting period is from April to May.
European rape originated in Europe and is widely planted all over the world. European rape is widely planted in all parts of China. After many generations of propagation, many varieties with different growth conditions and characteristics have been hybridized. Mainly used as oil crops, green parts and fleshy roots can be eaten as vegetables and sometimes used as animal feed.