The macadamia nut tree is a perennial plant that originated in Australia, but is now cultivated in many countries around the world. This tree is known for its delicious and nutritious nuts, which are used in a variety of culinary applications. Some synonyms for the macadamia nut tree include the Australian nut tree, bush nut tree, Queensland nut tree, and Hawaii nut tree. The name "macadamia" is derived from the surname of a Scottish scientist, who was the first person to describe the plant in detail. Other common names for the tree include the bauple nut tree, the queen of nuts, and the maroochy nut tree.