Some non edible fruits are Osage Orange, Silverbell, Wahoo
Scientific name-Maclura Pomifera
The Osage-orange is a curious plant in mulberry family called Moraceae. It is also known as hedge-apple, horse-apple and the bow wood. The species is extremely dioeciously, with male and female flowers on the different plants. It is a small deciduous tree, usually growing to the 8-15 m tall.
How do they look like - It is a large green ball with wrinkles on it. It is around 6" in diameter that often retains on the tree after the leaves fall off. They have a unique, sticky, white juice within them.Where are they found- The plant is native to an area in the central United States consisting of southwestern Arkansas, southeastern Oklahoma, but a narrow belt in eastern Texas, and in extreme northwest corner of Louisiana, but it's not found common anywhere else.
The trees got the name bois d’Arcy, or "bow-wood", because early the French settlers observed the wood being used for the bow-making by Native Americans. The people of the Osage Nation esteem the wood of this tree for good building of their bows, that they travel many hundred miles in search of it," Meriwether Lewis was told in 1804. The heavy and closely grained yellow-orange wood is also the prized for tool handles. The heavy, fleshy fruit are very torn apart by the squirrels to get at the seeds, but few other native animals make use of it food source.