The pulasan, Nephelium mutabile Blume (family Sapindaceae), is a tropical fruit closely allied to the rambutan and sometimes confused with it. It has various common names, including pulasan in English, Spanish and Malay, kapulasan in Indonesia, ngoh-khonsan in Thailand, and bulala or panungayan in the Philippines.Usually eaten fresh, it is sweeter than the rambutan and lychee, but very rare outside Southeast Asia.