How to draw a rapeseed flower simply and beautifully is as follows:
Start with a mechanical pencil and preliminarily determine the basic shapes of flowers, buds, leaves and pedicels. Don't use too much force when painting. Use light yellow to paint the flowers and pedicels, and grass green to paint the buds. Before coloring, erase the part outlined by the mechanical pencil to make it look cleaner. Then repeat this painting method and extend the rapeseed flowers in different directions to form a large field of rapeseed flowers.
Brassica rapa var. oleifera? DC.) is a plant of the genus Rutaceae in the Brassicaceae family. It is an annual herb with a height of 30 to 90 cm. The basal leaves are upright, with large heads and deep lobes, the top lobes are round or ovate, and the lateral lobes have one to several pairs, ovate.
The upper stem leaves are oblong, oblong or lanceolate; the racemes are corymbose-shaped during the flowering period, and the flowers are bright yellow and ovate; the seeds are spherical, purple-brown; the flowering period is 3-4 Month; fruit period is 5-6 months.
Rape flowers are mainly produced in Shaanxi, Jiangsu, Anhui, Zhejiang, Jiangxi, Hubei, Hunan and Sichuan provinces in China. They mostly grow in fields, beside rivers and ponds, and in mountain valleys. They like cold weather and are cold resistant. Strong force requires deep, loose and ventilated soil. You can choose spring or autumn sowing.
Rape flower is one of the main oil plants. The oil content of the seeds is about 40%, and the oil is used for food; the young stems and leaves and the total pedicels are used as vegetables; the seeds are used medicinally, and can promote blood circulation, dissolve knots and reduce swelling; the leaves can It is applied externally to carbuncle; the root is used medicinally. It has the effects of cooling blood, dispersing blood, detoxifying and reducing swelling. It is mainly used for bloody dysentery, erysipelas, heat-toxin sores, mastitis, rubella, vomiting blood and other symptoms. It is described in "New Materia Medica" and "Japan All are recorded in "Hua Zi".