About Macadamia ternifolia F.Muell.
Macadamia ternifolia F.Muell., commonly known as small-fruited Queensland nut or gympie nut, is a tree in the flowering plant family Proteaceae. It is native to Queensland, Australia, and is classified as vulnerable under the EPBC Act. This species is a small, multi-stemmed tree that grows up to 8 meters tall. Mature leaves are narrowly ovate, arranged in whorls of three on stalks 4 to 10 millimeters long. Each individual leaf measures 9 to 12.5 centimeters in length and 2 to 3.5 centimeters in width, with a dull upper surface and a paler lower surface. Leaves are stiff, smooth, and leathery, with slightly undulating margins and pointed tips. The leaf midrib is prominent on the lower leaf surface and slightly sunken on the upper surface. The inflorescence is simple, borne on a stem 5 to 18 centimeters long. It has pink tepals 6 to 8.5 millimeters long, and filaments 4 to 7 millimeters long that are joined to the tepals for between 0.5 and 6 millimeters. Anthers measure 1 to 2 millimeters long, ovaries measure 0.4 to 1 millimeter long, and styles measure 5 to 10 millimeters long. After flowering, the plant produces fruit that is 14 to 22 millimeters long and 13 to 22 millimeters wide. Its seeds are globose to broadly ovoid, about 16 millimeters long and 12 millimeters wide, with a smooth shell around 1 millimeter thick.