Clausena lansium (Lour.) skeels, a small tree of Rutaceae, is as high as12m. Leaflets are ovate or ovoid-elliptic, with asymmetrical sides and terminal panicles; The buds are spherical, the calyx lobes are broadly ovoid, the petals are oblong, the flowers are silky, the fruit is yellowish to dark yellow, the flesh is milky white and translucent, and the seeds are 1-4; It blooms in April-May and bears fruit in July-August.

Huangpi is native to southern China and has a history of more than 1,500 years in China. The flowering and fruiting periods in China and Hainan are all 1-2 months earlier.

Wampee is one of the fruits in southern China, which is rich in vitamin C, sugar, organic acids and pectin. The peel and stone can be used as medicine, and it has the effects of promoting digestion, resolving phlegm and regulating qi. It can be used for treating indigestion, chest and diaphragm pain, phlegm and cough and asthma, and can also relieve depression and heat, relieve colic, cool leaves, dispel wind and relieve exterior symptoms, remove phlegm and promote qi circulation, and prevent and treat influenza and warm diseases. Roots can cure gas pain and hernia pain.

Chinese scientific name: Huangpi

Latin scientific name: Clausena lansium (Lour.) Skeels

Nicknames: yellow bullet, yellow marble, yellow segment

Realm: Plant Realm

Phylum: Angiosperm phylum

Class: Dicotyledonous Plants

Subclass: primitive perianth subclass

Objective: Rutaceae.

Suborder: Ruta

Family: Rutaceae

Subsubfamily: Citrinae

Genus: wampee

Species: wampee

Distribution: Widely cultivated in South China and Southwest China.