Latin name: Fontanesia fortunei Carr.

Alias: pearl flower, Wugu tree

Family: Oleaceae (Oleaceae)

Genus: Snow Willow (Fontanesia Labill)

Deciduous small shrubs or small trees, distributed in the northeast of China and Hebei, Shandong, Shanxi, Henan and the Yangtze River Basin, Hubei, Anhui and other regions, because of its terminal white flowers like pearls and commonly known as pearl flowers, is China's rare medicinal, edible dual-use shrubs and rare economic plants.