![]() Related Reading: Sycamore Tree: Ultimate Guide (6 Types, Seeds, Leaves, Identification) Best Maple Trees These leaves are a medium shade of green. Leaves have 9-13 lobes and a rounded shape with toothed edges. Vine Leaf maple leaves are a medium shade of green. Leaves contain 3 leaflets with toothed edges. These leaves are an unremarkable shade of green. Leaves have deep depressions and are a brilliant green Leaves have 5 lobes and deep depressions. Leaves are almost round with 5 lobes and a toothed margin. Leaves have 3 lobes, with finely serrated margins. Japanese maple tree leaves come in a light-green shade. Leaves have 5-9 lobes and are finely toothed. Leaves are 5-lobed and a brilliant shade of green. Leaves have 3-5 lobes and are glossy, and dark green in color. Leaves contain 3 leaflets, and they are a shade of dark green. The bottom side of the silver maple’s leaves are silvery in color. Leaves contain five lobes with jagged edges and deep depressions. Leaves contain 3-5 lobes and have jagged margins Pale green on top and white at the bottom. Some maple tree leaves have jagged lobes and this feature, along with the length of margins and the shape of the leaves, form part of maple tree identification: 2 Type of Maple Tree 13 Of these features, the leaves are the most easily identified.ĭifferent types of maple trees have lobed leaves in common: 3-9-lobed. Maple tree identification is dependent on the comparison of bark, fruits, twigs, and leaves. The tree genus Acer contains varied trees and shrubs totaling an estimated 120 species. Especially obvious in wet summers, Norway maple is susceptible to infection by a fungus called tar spot Rhytisma acerinum which is ugly but not usually damaging to the tree.The different types of maple trees species belong to the genus Acer, which falls in the Sapindaceae plant family. It is not always fatal, but causes aesthetic problems. The wilting may be localized on one or two branches, but it may affect the entire canopy. Pests and diseases: Norway maples are susceptible to Verticillum wilt, which can cause sudden wilting of the leaves. Further, because it has shallow roots and casts a dense shade, other plants, including grass will not grow beneath it, leaving bare ground. Landscape value and potential for home plantingBecause it threatens native species and ecosystems, it is widely recommended that Norway Maple not be planted. Today it is not only the most common planted tree in Toronto parks, yards and streets, but it has also independently invaded Toronto's remaining natural ecosystems. Due to its tolerance of urban pollution, salt and other stresses it was planted by choice to replace elms destreoyed by Dutch Elm Disease in the mid 20th century. Norway maple is the dominant tree of urban forests in many North American cities, including Toronto. Norway maple's place in Toronto's urban forest Return to top of page Norway maple IN TORONTO Sugar maple bark has vertical ridges that curl on one side while Norway maple bark has shallow, intersecting ridges in a regular, often diamond-shaped pattern. Especially in winter, the two species can be distinguished by the bark. Sugar maple leaves never have 7 lobes the sap is clear, visible when the leaf stalk is broken the dangling flowers have no petals and the pairs of samara wings (keys) are nearly paralell. Norway maple is regularly confused with the native sugar maple ( Acer saccharum). There are many cultivars of Norway maple, including the popular Crimson King, which has maroon-coloured leaves. See London plane-tree page for comparison of leaf shape. The species name platanoides means resembling a plane tree ( Platanus spp), from Platanus, the classical name for plane tree and oides, meaning resembling. The genus name Acer means sharp, referring to the sharp tips of the leaf lobes of most maples. Now Norway maple has been designated an invasive species because it has encroached on natural forests where its dense shade prevents young sugar maples from growing. Tolerant of pollution and drought, by the mid 20th century it was the most frequently planted in towns and cities. By the 1800s, Norway maple was a popular ornamental tree in North America. Native to Europe, Norway maple was introduced to North America around 1756 by the botanist and nurseryman John Bartram, who was central to the exchange of plant specie between Europe and North America.
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