Melicope balloui
 Melicope balloui (also called Rock Pelea) is a species of plant in the Rutaceae family. It is endemic to the Hawaiian Islands. It is threatened by habitat loss. Like other Hawaiian Melicope this species is known as alani.This plant was described in 1913 by Joseph Rock who named it after Howard M. Ballou proofreader of his book on Hawaiian trees. It is a shrub or small tree with leathery oval leaves up to 10 centimeters long by 7 wide. Young twigs are coated in yellow-brown hairs.