Macadamia tetraphylla—Queensland Nut, Rough-shelled Queensland Nut—PROTEACEAE
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Habitat—Grows in subtropical rainforest in coastal areas Distribution—North of the Clarence River, (chiefly in the Richmond and Tweed Valleys) in New South Wales, extending to North Queensland. Description—Small to medium–sized tree to 15 m high; new growth reddish. Local occurrences—
Forster/Tuncurry Streets,
Great Lakes College-Forster Campus,
One Mile Beach and
Royal Botanic Gardens Sydney.
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Leaves.— Mostly in whorls of 4 or rarely in whorls of 3 or 5, margins toothed, lamina narrow–elliptic to oblanceolate, 18 to 25 cm long, 2 to 5 cm wide, apex ± acuminate, margins with regular stiff prickly teeth, leathery, glabrous, with 13 to 20 pairs of main lateral veins; petiole 0 to 3 mm long. |
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Inflorescence—Conflorescences axillary or ramiflorous, 10 to 25 cm long, densely pubescent. Perianth c. 10 mm long, creamy–pink to mauve Flowering.—August to October |
Fruit—20 to 35 mm diam., greyish green, turning brown; seed 15 to 30 mm long, ± pointed at the apex and tuberculate. Ripe.—Late January. |
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