Scientific name Averrhoa carambola L
British name Carambola
Plants of the genus Averrhoa in the family Averrhoaceae. There are two species of carambola and a. bilimbil. cultivated as fruit trees in this genus. Carambola is native to tropical areas in southeast Asia, mainly distributed in some countries in Southeast Asia and China's Guangdong, Guangxi, Fujian, Taiwan Province, Hainan and other provinces (regions). In China, it is cultivated in counties in central and southern Guangdong and suburbs of Guangzhou, Guiping and Pingnan counties in Guangxi and Zhangzhou, Yunxiao and Quanzhou in Fujian. Polyfolate carambola originated in Malaysia, is a pure tropical species, cultivated in Taiwan Province, and its fruit is extremely sour, which can be used as a processing condiment. There are records of carambola in the Eastern Han Dynasty in China, with a cultivation history of more than 2000 years. However, there are not many varieties, and the good and the bad are mixed, and there is a lack of varieties with strong commodity; The cultivation management is extensive, and in recent years, the yield and quality have obviously declined. Therefore, it is of great significance to introduce improved varieties and strengthen the research on variety breeding and cultivation techniques to improve the yield and quality of carambola.