Leucaena retusa is a species of flowering plant in the legume family known by the common names littleleaf leadtree, goldenball leadtree, wahoo tree, and lemonball. It is native to Chihuahua and Coahuila in Mexico and Texas in the United States. It also occurs in New Mexico.This plant is a small tree that can reach 25 feet in height. The leaves are bright green to blue-green in color and each is divided into several leaflets. The spherical flowers are yellow to white in color. The trees flower in ...