Platanus Occidentalis L

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American sycamore Platanaceae Platanus occidentalis L. symbol: PLOC Leaf: Alternate, simple, palmately veined, 4 to 8 inches wide, ovate in shape, with three to five lobes, margins coarsely toothed, petiole bases encircle and enclose the buds, veins may be pubescent below. Flower: Species is monoecious; imperfect, both male and females are very small and appear in dense round clusters, typically a single cluster to a stalk, appearing with the leaves. Fruit: A spherical multiple of achenes borne on a 3 to 6 inch stalk. Each seed is tiny, winged, and 1/2 inch long; maturing in November, disseminating in late winter. Twig: Obviously zigzag, quite stout and orange-brown in color; leaf scar surrounds the bud and the stipule scar surrounds the twig; terminal bud is absent; lateral buds are reddish, resinous, with a single, cap-like scale. Bark: Thin, mottled brown, green, tan and white; older stems are gray-brown and scaly. The most striking feature of this tree, often referred to as "camouflage" bark that readily exfoliates. Form: A very massive tree with heavy, spreading branches with obviously zigzag twigs reaching up to and over 100 feet tall. In winter, the persistent fruits resemble Christmas tree ornaments. Looks like: London plane tree - California sycamore - Arizona sycamore Additional Range Information: External Links: Platanus occidentalis is native to USDAFS Silvics of North America North America. Range may be USDAFS Additional Silvics expanded by planting. See states Landowner Factsheet reporting American sycamore. USDA Plants Database Horticulture.

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Supplementary Table 8.1
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