Happy Fruit Tree is a small deciduous tree of Pistacia, Uraceae. vera? . The tree is about 1 meters high, with odd pinnate compound leaves and 3-5 leaflets, but usually 3. Leaflets ovate or broadly elliptic, 4 ~ 1 cm long and 2.5 ~ 6.5 cm wide, entire. Panicle is 4 ~ 1 cm long. ? Dioecious, male flowers have 3 ~ 5 perianth segments, ranging in size. Perianth segments of female flowers are 3 ~ 5, membranous. The ovary is ovoid, and the fruit is large and oblong, about 2 cm long and 1 cm wide. The apex is acute and yellow-green or pink when ripe. Originated in Syria, Iraq, Iran, the southwest of the former Soviet Union and southern Europe. It is also cultivated in Xinjiang. Called "Ayue Hunzi". Since it was introduced into China only in remote areas, the mainland is not familiar with it. 《