What is the fruit of the macadamia tree two species of the genus are commercially important for their fruit, the macadamia nut /mk'demi/ (or simply macadamia). Global production in 2015 was 160,000 tonnes (180,000 short tons). Other names include queensland nut, bush nut, maroochi nut, bauple nut and, in the us, they are also known as hawaii nut.macadamia nuts can be eaten raw or used in recipes. While high in fat, macadamia nuts mostly contain monounsaturated fats, a heart-healthy type of fat that can help reduce your risk of heart disease and type 2 diabetes the plant comes in a healthy, well-rooted condition, ready for transplanting into your favorite garden bed, planter, or decorative pot. Its vibrant leaves and sturdy stem ensure long-term growth and easy maintenance, requiring only basic care such as regular watering, occasional pruning, and periodic feeding with organic fertilizer.