The rambutan (pronounced /ræmˈbuːtən/, Nephelium lappaceum) is a medium-sized tropical tree in the family Sapindaceae, and the fruit of this tree. It is native to Malaysia, Indonesia, The Philippines, Sri Lanka and Southeast Asia, although its precise natural distribution is unknown. It is closely related to several other edible tropical fruits including the Lychee, Longan, and Mamoncillo. It is believed to be native to the Malay Archipelago. Rambutan in Malay, Indonesian,and Filipino literally means hairy caused by the 'hair' that covers this fruit. (from wikipedia).