Cornus officinalis and Cornus officinalis are the same medicine. Cornus officinalis, Cornus officinalis and Cornus officinalis have no difference and belong to the same medicine. Nicknames: sweet potato meat, mountain meat, jujube peel, etc. , deciduous shrubs or small trees, 4 to 10 meters high; Bark grayish brown; Branchlets slender cylindrical, glabrous or sparsely appressed pubescent. Winter buds terminal and axillary, ovate to lanceolate, yellow-brown pubescent. The flowers are yellow, the drupe is oval, with a length of 1.2 to 1.7 cm, a diameter of 5 to 7 mm, and a red to purple color; Nuclear bone, long and narrow oval, about 12 mm long, with several irregular edges. Flowering in March-April; The fruiting period is from September to June at 5438+00. Mature fruit is Chinese medicine. The main producing areas of Cornus officinalis are Shanxi, Shaanxi, Gansu, Shandong, Jiangsu, Zhejiang, Anhui, Jiangxi, Henan, Hunan and other provinces in China. Korea and Japan are also distributed. Born in forest margins or forests at an altitude of 400 to 1500m and 2 100m. Introduction and cultivation in Sichuan, China.