1, food value: young stems and leaves of rapeseed flowers can be used as vegetables, oil seeds with an oil content of 35-50%, can be extracted or used as fodder, in the food industry can also make margarine, artificial protein.

2, ornamental value: rape is an important tourist resource. When rapeseed blossoms, the fields are golden, and the pollen is rich in nectar, which attracts colorful butterflies and bees to fly between the flowers, and the fragrance of the flowers is intoxicating, and the beautiful scenery makes people linger.

3, economic value: rape flowers in metallurgy, machinery, rubber, chemicals, paint, textiles, soap, paper, leather and medicine have a wide range of uses, can create huge economic value.

Canola

Alias rue, originated in Europe and Central Asia, is a cruciferous annual herb. In China, concentrated in Jiangxi Wuyuan Huangling, Hanzhong Basin and Jiangling mu terraces, Yunnan Luoping Plain, Qinghai Menyuan Plateau and so on. Plants straight clumps, green stems and yellow flowers, basal leaves are spiral stacked growth, stem leaves, generally alternate, no stipules. Flowers bisexual, radial symmetry, petals 4, arranged in a cross, flower pieces texture like rice paper, tender yellow thin. Oleander four petals, neatly surrounding the stamen, simple personality. The petals are very delicate, with fine lines, that is how skillful sculptor can not carve out. The center of the stamen bent together in a piece, as if in a whisper. It has a tough rhizome, dense leaves, with the same simplicity and ruggedness as the farmers who planted them.