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In late spring, chlorotic spots appear on tree leaves. These develop into brown-black lesions, retaining the yellow border. [4] The lesions continue to grow, and by the end of summer form leaf spots that look like tar. [2] The spot can grow up to 1.5 inches (4 cm) in diameter. [4]
Columnist Bill Lamont noticed that some of his trees looked like October foliage in August.
The leaf stalks are usually red and are up to 10 cm (4 in) long. The leaves can turn a characteristic brilliant red in autumn, but can also become yellow or orange on some individuals. Soil acidity can influence the color of the foliage and trees with female flowers are more likely to produce orange coloration while male trees produce red.
The bigleaf maple has the largest leaves of any maple, typically 15–30 cm (6–12 in) across with five deeply incised palmate lobes, with the largest running to 61 cm (24 in). [8] [9] The stems are 15–30 cm (6–12 in) long and contain milky sap. [6] In autumn, the leaves turn gold and yellow, contrasting against backdrops of evergreen ...
The leaves of the chalk maple are generally smaller, 5-8 cm across, with 3 to 5 lobes, whereas the leaves of the Florida maple are larger, up to 11 cm. The leaves of A. leucoderme are yellow-green underneath rather than the whitish underside of Florida maple. The lobes on the leaves of Florida maple are squarer and blunter than those of A ...
Any Japanese maple can be used for bonsai, but Pettis notes that cultivars with palm-shaped leaves (called palmate) hold up better than those with dissected leaves (called lace leaf, cut leaf or ...
A maple leaf is on the coat of arms of Canada, and is on the Canadian flag. 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 ...
Acer saccharinum, commonly known as silver maple, [3] creek maple, silverleaf maple, [3] soft maple, large maple, [3] water maple, [3] swamp maple, [3] or white maple, [3] is a species of maple native to the eastern and central United States and southeastern Canada. [3] [4] It is one of the most common trees in the United States.