A: Illicium verum, Latin name, belongs to Illicium of Illicium of Illicium, a subclass of dicotyledonous plants. Mainly produced in Guangxi, Yunnan, southern Fujian and western Guangdong, it is a precious economic tree species. Trees, leathery or thick leathery leaves, obovate-elliptic or oblanceolate, dark green leaves with luster, and small oil spots can be seen under sunlight perspective. Flowers are pink or crimson, perianth segments 7 ~ 12, with inconspicuous translucent glandular spots. Aggregate fruit is mostly octagonal. It is rarely five-sided or six-sided. Kelp is full and straight, the apex is obtuse or obtuse, and the seeds are brown and shiny. Fruit is a condiment, and leaves and fruits can be steamed into aromatic oil, which is called fennel oil. The main components are anethole, anisaldehyde, anisic acid, methyl piperonyl alcohol, pinene and so on. It is a spice for making liqueur, beer and other food industries, as well as toothpaste, soap, perfume and cosmetics. It is also the raw material for synthesizing estrogen diethylstilbestrol. It is also used in the crystal mining industry.