Tibouchina is a genus of about 350 species of neotropical plants in the family Melastomataceae. They are trees, shrubs or subshrubs growing 0.5–25 m tall, and are known as glory bushes or glory trees. They are native to rainforests of Mexico, the Caribbean, and South America, especially Brazil. There is one Australian. The name comes from an adaptation of a term for a member of this genus in an indigenous language of the Guianas.