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Macadamia : Macadamia spp.


Macadamian Nut Tree between Punalu’u and Kona

Macadamia
Taxonomy: Kingdom: Plantae; (unranked): Angiosperms; unranked): Eudicots; Order: Proteales; Family: Proteaceae; Genus: Macadamia; Species: various – some examples: Macadamia claudiensis, Macadamia grandis, Macadamia hildebrandii, Macadamia integrifolia Macadamia jansenii Macadamia ternifolia, Macadamia tetraphylla, Macadamia whelanii, Macadamia neurophylla, etc. Common names: Macadamia Nut, Bush Nut, Maroochi Nut, Queent of Nuts, Bauple Nut, Gyndl, Jindilli, Boombera, Macadamia, Australian nut, Queensland Nut.

One of the world’s most popular nuts, and prized in its incorporation with chocolate, it is most referred to as the nut of the Macadamie tree of the same name, from a variety of species under the Genus Macadamia of the Proteaceae family. The name of the tree and nut comes from being dedicated to the famous colleague “John Macadam” of botanist Ferdinand von Mueller who named the plant. Its a flowering tree that births a very hard nut. The trees are small to large evergreens that can grow to a height of 2-12 meters. Its leaves are arranged in whorls of 3-6 with lanceolate, obovate, or elliptical shapes, depending on the species. The leaves can grow to 6-30 cm long and 2-13 cm broad with an entire or spiny-serrated margin. The flowers produced by the tree come from long slendor simple racemes sprouting to 5-30 cm long with individual flowers from 10-15 mm long ranging in color from pink to purple and possessing 4 tepals. The fruit or seed is a very hard woody globose follicle with a pointed apex containing one or two seeds (the actual nut).

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