The plants are straight and clustered, the stems are yellow and green, the basal leaves grow spirally, and the stem leaves are usually alternate without stipules. The flowers are bisexual and radially symmetrical, and the four petals are arranged in a cross. These flowers are as yellow as rice paper. There are usually 6 stamens, 4 long and 2 short, which are usually called "four strong stamens". The pistil consists of two carpels, and the ovary is located on the upper side. The stem is cylindrical, with a diameter of 0. 1-0.8 cm, many branches and soft stems. Leaves alternate, large, dark green, without petiole and support. In March and April, there are flowers at the top of the stem, which are racemes, four sepals, yellow-green, four corollas, yellow and cross. The fruit is silique. When summer is ripe, it cracks and sows, purple-black, yellow.

rape flower

Rape flower has four petals, neatly surrounding the stamens, and its personality is simple. Petals are so delicate and delicate that no skilled sculptor can carve them. The flowers in the middle bend together, as if whispering. It has tough roots and dense leaves, and it is as simple and rough as the farmers who grow them.

Rape flowers are rich in pollen. The oil content of seeds is 35~50%, which can be used for oil extraction or feed. In addition, the tender stems and leaves of rape flowers can also be eaten as vegetables.

Rape flower is the largest edible vegetable oil raw material in China.

Rape flower has important economic value and ornamental value, and it is a kind of tourism resource. Rape entered the flowering period, and the fields were golden. Yu Shao's poem says: "Rape flowers are full of rehmannia, and butterflies in the flowers are busy;" The breeze blows golden waves and overflows intoxicating fragrance. " Rape flowers are in full bloom, and the pollen is rich in nectar, attracting butterflies and bees to fly among the flowers. The rich floral fragrance is intoxicating, and the beautiful scenery makes people linger.