Maclura pomifera, commonly known as Osage orange, is a medium-sized deciduous tree that is native to North America. The tree has a rounded shape and produces a milky sap when cut. It has a rough, deeply furrowed bark and large thorns on its branches. The leaves are dark green, glossy, and have a leathery texture. The tree produces a large, inedible fruit that resembles a brain and is often used for decorative purposes.