Spiniluma discolor is a species of plant in the Sapotaceae family. It is endemic to Yemen. Its natural habitat is subtropical or tropical dry forests. Sapotaceae is a family of flowering plants, belonging to order Ericales. The family includes approximately 800 species of evergreen trees and shrubs in approximately 65 genera (35-75, depending on generic definition). Distribution is pantropical. Many species produce edible fruits, and/or have other economic uses. Species noted for their edible fruits include Manilkara (Sapodilla, Sapota), Chrysophyllum cainito (Star-apple or Golden Leaf Tree), Pouteria (Abiu, Canistel, Lúcuma, Mamey sapote), Vitellaria paradoxa (Shea) and Sideroxylon australe (Australian native plum).