Melicoccus bijugatus is a fruit-bearing tree in the soapberry family Sapindaceae, native or naturalized across the New World tropics including South and Central America, and parts of the Caribbean. Its stone-bearing fruits, commonly called quenepa or guinep, are edible. These fruits have various other names such as Limoncillo, Bajan ackee, Spanish lime or mamoncillo, among numerous other common names.

The Festival Nacional de la Quenepa is a cultural celebration that takes place every year in Ponce, Puerto Rico. The festival centers around the genip fruit, the city's official fruit. The celebration lasts three days and takes place over a weekend. It is generally held on the second weekend of August, but occasionally during a weekend in September. It is sponsored by the Oficina de Desarrollo Cultural of the Ponce Municipal Government.