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Amur maple is treated either as a subspecies of Acer tataricum (Tatar maple), [3] or as a distinct species in its own right, Acer ginnala. [2] [4] [5] The glossy, deeply lobed leaves of subsp. ginnala distinguish it from subsp. tataricum, which has matt, unlobed or only shallowly lobed leaves; it is separated from subsp. tataricum by a roughly 3,000 km range gap across central Asia.
There is an array of common names for Pterospermum acerifolium, depending on the region where it is grown. It is commonly referred to as Kanak Champa, Muchakunda or Karnikar Tree within its native range. In the Philippines, it is known as Bayog. Other common names include bayur tree, maple-leafed bayur tree, and dinner plate tree.
The flowers are produced in corymbs of five to ten, yellowish-green, at the same time as the new leaves in spring. The fruit is a samara or winged seed, which develops in fused pairs at an angle of less than 45° when mature, though some varieties spread out to 90°. [4] [5] [6]
Acer pseudoplatanus, known as the sycamore in the British Isles and as the sycamore maple in the United States, [3] is a species of maple native to Central Europe and Western Asia. It is a large deciduous , broad-leaved tree , tolerant of wind and coastal exposure.
In most seeds, for example the sunflower, the plumule is a small conical structure without any leaf structure. Growth of the plumule does not occur until the cotyledons have grown above ground. This is epigeal germination. However, in seeds such as the broad bean, a leaf structure is visible on the plumule in the seed. These seeds develop by ...
Fullmoon maple (Acer japonicum) Acer laevigatum seeds Japanese maple (Acer palmatum) Series Palmata. Acer amoenum (Carriere) Hara; Acer anhweiense Fang & Fang f. Acer calcaratum Gagnep. Acer campbellii Hook.f. & Thomson ex Hiern – Campbell's maple; Acer chingii Hu; Acer circinatum Pursh – vine maple; Acer confertifolium Merril & Metcalf ...
The fruit is a pair of winged samaras, each samara 2–3 cm (3 ⁄ 4 – 1 + 1 ⁄ 4 in) long with a 6–8 mm (1 ⁄ 4 – 5 ⁄ 16 in) seed. The seeds of Acer palmatum and similar species require stratification in order to germinate. [9] [10]
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]