Horse Apple Bodark Bois D Arc (maclura pomifera): The plant is a deciduous tree related to the mulberry. It can grow to 60 ft. tall and has large leaves and thorny branches. Its spherical, bumpy fruit is inedible, but is useful as an insect repellent, and a food for a variety of wildlife. It is prized for the strength of it's wood, and still has many uses today. It also goes by many names, Bois d'Arc, Horse Apple, and Bodark .