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Sugar maple leaf vein8/31/2023 At the base of each staminate cluster, there are several scaly bractlets. Individual staminate florets consist of 4 sepals, 4-6 stamens, and no petals. Staminate florets occur in small dense clusters about 1/3" (8 mm.) across on short lateral spur-twigs these florets are nearly sessile and they vary in color from yellowish green to red. Some trees are capable of changing their gender from year to year. Individual trees of Silver Maple can be monoecious or dioecious trees with perfect florets are rare. ![]() The slender petioles of the leaves are up to 5" long, light green to red, and glabrous. The upper leaf surface is light to medium-light green and glabrous, while the lower surface is conspicuously whitened and glabrous to mostly glabrous (some hairs may occur along the undersides of the major veins). All of the lobes are sharply cleft and pointed at their tips the primary lobes extend deeply into the interior of each leaf. ![]() The primary lobes themselves are often divided into shallow secondary lobes and their margins have a few large teeth. Individual leaves are up to 6" long and 4" across they are palmately divided into 5 primary lobes. Pairs of opposite deciduous leaves occur along the twigs and smaller branches. Trunk bark of young trees and branch bark are light gray and more smooth, while twigs are reddish brown, smooth, and covered with scattered white lenticels. On very old trees, the bark may become slightly shaggy when the scales become curved and somewhat loose. Trunk bark of mature trees is gray and rough-textured, consisting of flattened scales and straight to curving furrows. ![]() Description: This tree is 60-100' tall at maturity, forming a short broad trunk and an ovoid to obovoid crown that is defined by long ascending branches of considerable size.
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