Native to tropical America; China Guangdong (Guangzhou, Shantou), Hainan (Haikou), Fujian (Fuzhou, Zhangzhou), Taiwan, Yunnan (Xishuangbanna) and Sichuan (Xichang) and other places have a small amount of cultivation. It is also cultivated in the Philippines and the southern part of the former Soviet Union and central Europe. Fruit for a high nutritional value of the fruit, containing a variety of vitamins, rich in fat and protein, sodium, potassium, magnesium, calcium and other content is also high, in addition to eating as a fruit can also be used as dishes and canned; kernel fat oil, non-drying oil, with a mild aroma, specific gravity of 0.9132, saponification value of 192.6, the value of iodine 94.4, non-saponification of 1.6% for food, medicine and make-up for industrial use.