Paeonia lactiflora is a perennial herb of Paeonia in Paeoniaceae. The roots are stout and the branches are dark brown. The stem is 40-70 cm tall and glabrous. The lower stems and leaves are bipinnately trifoliate leaves, and the upper stems and leaves are trifoliate leaves; Leaflets narrowly ovate, elliptic or lanceolate. There are several flowers, born at the top of the stem and in the axils of leaves, and sometimes only the top one is open; Bracts 4-5, lanceolate, unequal in size; Sepals 4, broadly ovate or suborbicular; Petals 9- 13, obovate, with different colors, sometimes with deep purple patches at the base; The filament is 0.7- 1.2 cm long and yellow. Kelp is 2.5-3 cm long, with a diameter of 1.2- 1.5 cm and a beak at the top. Flowering in May-June; The fruiting period is August.
China, Korea, Japan, Mongolia and Russia (Siberia); In China, it is distributed in Jiangsu, Northeast China, North China, Shaanxi and southern Gansu, and also cultivated in parks in Sichuan, Guizhou, Anhui, Shandong, Zhejiang and other provinces and cities. In northeast China, it grows in hillside grassland and forest at an altitude of 480-700 meters, and in other provinces, it grows in hillside grassland at an altitude of 1000-2300 meters.
Extended data
Potted plants should choose double or semi-double varieties with short plant type, strong adaptability and bright colors. In addition to large flowers, many petals, bright colors, beautiful shapes and long flowering period, fresh cut flowers also require varieties with high and hard stems, developed roots, strong branches and vigorous growth.
The site selection is the same as the cultivation of medicinal materials. When preparing the soil, apply 3000 kilograms of decomposed compost and manure. Disinfect the soil with 1% chloropicrin or formaldehyde before planting. You can choose pots with a diameter of 25-30 cm and a depth of 20-25 cm. The culture soil is required to be loose, fertile and easy to drain.