Genus Leucaena is a type of flowering plant that is commonly found in tropical and subtropical regions. This genus is known for its ability to fix nitrogen from the atmosphere and therefore is considered an important component of agroforestry systems. Synonyms for the Genus Leucaena include Leucaena esculenta, Leucaena glauca, Leucaena leucocephala, Leucaena latisiliqua, and Leucaena retusa. The genus includes several species with a wide range of uses such as forage, food, fuel, and medicinal purposes. While there are several synonyms for the genus, all of these species share similar characteristics that make them important for sustainable agriculture and forestry practices.