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Macadamia is a genus of four species of trees in the flowering plant family Proteaceae. [1] [2] They are indigenous to Australia, native to northeastern New South Wales and central and southeastern Queensland specifically. Two species of the genus are commercially important for their fruit, the macadamia nut / ˌ m æ k ə ˈ d eɪ m i ə / (or ...
Macadamia tetraphylla was the first Australian native food plant to be grown by non-indigenous Australians as a commercial crop. The first commercial plantation of macadamia trees were planted in the early 1880s by Charles Staff at Rous Mill, 12 km southeast of Lismore, New South Wales, consisting of M. tetraphylla. [4]
Among the most well-known eudicot genera are those of the sunflower , dandelion , forget-me-not , cabbage , apple , buttercup , maple and macadamia (Macadamia). Most leafy, mid-latitude trees are also classified as eudicots, with notable exceptions being the magnolias and American tulip tree ( Liriodendron )—which belong to the magnoliids ...
Macadamia ternifolia is a small multi-stemmed tree which grows up to 8 m tall. The narrowly ovate adult leaves are in whorls of three on a stalk which is 4–10 mm long. [ 3 ] Each leaf is 9–12.5 cm long, 2–3.5 cm wide and is dull above and paler below. [ 3 ]
Homoeosoma vagella, the macadamia flower caterpillar, is a species of snout moth in the genus Homoeosoma. It was described by Philipp Christoph Zeller in 1848. It is found in Australia. The larvae feed on Macadamia ternifolia. They destroy the flowers of their host plant.
Macadamia integrifolia trees grow to 15 metres (49 ft) in height. The leaves are simple, oblong in shape, glossy, entire with wavy leaf margins and are 20 centimetres (8 in) long and 10 cm wide. [3] The flowers are white or pink followed by woody, edible rounded fruits [4] which are 2 to 3.5 cm in diameter.
This character does not occur in all Proteaceae, however; Adenanthos species, for example, have solitary flowers. In most Proteaceae species, the pollination mechanism is highly specialised. It usually involves the use of a "pollen-presenter", an area on the style-end that presents the pollen to the pollinator. [7] Proteaceae flower parts occur ...
Lasjia species characteristically branched compound inflorescences differentiate them from the Macadamia species, of Australia, which have characteristically unbranched compound inflorescences and only grow naturally about 1,000 km (620 mi) further to the south, in southern and central eastern Queensland and in northeastern New South Wales.