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Acer oblongum is a medium-sized evergreen to semi-deciduous tree reaching a height of approximately 15–22 metres (49–72 ft). Unique among maples, this plant stays green all winter. Unique among maples, this plant stays green all winter.
Vine maple (Acer circinatum) Samara of Combretum zeyheri. A samara (/ s ə ˈ m ɑːr ə /, UK also: / ˈ s æ m ər-/) [1] is a winged achene, [2] a type of fruit in which a flattened wing of fibrous, papery tissue develops from the ovary wall. A samara is a simple dry fruit, and is indehiscent (not opening along a seam).
The maple is a common symbol of strength and endurance and has been chosen as the national tree of Canada. Maple leaves are traditionally an important part of Canadian Forces military regalia, for example, the military rank insignia for generals use maple leaf symbols. There are 10 species naturally growing in the country, with at least one in ...
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Flindersia brayleyana, commonly known as Queensland maple, maple silkwood or red beech, [2] is a species of tree in the family Rutaceae and is endemic to northern Queensland. It has pinnate leaves with between six and ten leaflets, panicles of white or cream-coloured flowers and smooth fruit that opens in five sections to release winged seeds.
The fruit is a double samara with two winged seeds, the seeds are disc-shaped, slightly flattened, 13 millimetres (0.51 in) to 18 millimetres (0.71 in) across. The wings are 2 centimetres (0.79 in) long, widely spread, approaching a 180° angle. The bark is greenish-grey, smooth in young trees, becoming shallowly grooved in mature.
[12]: 397 Flowering and seed production begins at ten years of age; however, large quantities of seeds are not produced until the tree is 20. As with most maples, Norway maple is normally dioecious (separate male and female trees), occasionally monoecious, and trees may change gender from year to year. [citation needed]
A single tree between 5 and 20 cm (2.0 and 7.9 in) in diameter can produce between 12,000 and 91,000 seeds in a season. A tree 30 cm (0.98 ft) in diameter was shown to produce nearly a million seeds. [8] Red maple produces one of the smallest seeds of any of the maples. [15]