Leucaenaleucocephala is the name of a species, part of the genus Leucaena.
This name is an alternative combination by de Wit of an original description of species by Lam. under the rules of the International Code of Nomenclature for algae, fungi, and plants (ICN / commonly called the botany code)..
Botany
Horse/wild tamarind, Jumbie bean, Lead tree, Leucaena