Macadamia nut (Latin scientific name: Macadamia ternifolia F. Muell.), also known as: Queensland chestnut, Australian walnut, macadamia nut, Queensland nut, is a tree nut native to Australia. Macadamia is an evergreen tree and a dicotyledonous plant. The crown of the tree is tall, with 3 to 4 whorled leaves, lanceolate, leathery, smooth, with spiny serrations on the edges. The racemes are axillary, the flowers are beige, the fruit is spherical, the pericarp is textured, the endocarp is hard, and the seed kernel is beige to light brown. Suitable for growing in mild, humid and wind-free areas.

Among the many dried fruits in the world, Macadamia nuts have the highest economic value and have always been known as the "King of Dried Fruits". Distribution area: Eastern Australia, New Caledonia, Sulawesi, Indonesia. In addition, macadamia nuts also have high nutritional value and medicinal value.