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Feral Norway maple in Philadelphia. The Norway maple was introduced to northeastern North America between 1750 and 1760 as an ornamental shade tree. It was brought to the Pacific Northwest in the 1870s. [5] Today, Norway maples tend to be most common in the Pacific Northwest, in southern Ontario, and along the Kennebec river in southern Maine.
The sugar maple is most easily identified by clear sap in the leaf petiole (the Norway maple has white sap), brown, sharp-tipped buds (the Norway maple has blunt, green or reddish-purple buds), and shaggy bark on older trees (the Norway maple bark has small grooves). Also, the leaf lobes of the sugar maple have a more triangular shape, in ...
Norway maple, red maple and sugar maple are the species most commonly affected. The trouble often starts after insect-induced defoliation, which weakens the trees and makes them more susceptible to secondary pathogens. Early signs of decline include small or scorched foliage, and premature fall colors on some of a tree's branches.
Florida maple; southern sugar maple Aceraceae (maple family) Acer barbinerve: bearded maple Aceraceae (maple family) Acer buergerianum: trident maple Aceraceae (maple family) Acer caesium: Himalayan maple Aceraceae (maple family) Acer campbellii: Campbell's maple Aceraceae (maple family) Acer campestre: field maple Aceraceae (maple family) Acer ...
A list of tree species, grouped generally by biogeographic realm and specifically by bioregions, and shade tolerance. Shade-tolerant species are species that are able to thrive in the shade, and in the presence of natural competition by other plants.
Typical fall foliage in red maple country. Though A. rubrum is sometimes easy to identify, it is highly changeable in morphological characteristics. It is a medium to large sized tree, reaching heights of 27 to 38 m (90 to 120 ft) and exceptionally over 41 m (135 ft) in the southern Appalachians where conditions favor its growth.
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. There are 10 species naturally growing in the country, with at least one in ...
– Lobel's maple [18] Acer longipes Franch. ex Rehder; Acer miaotaiense P.C.Tsoong [19] Acer miyabei Maxim. – Miyabe's maple; Acer okamotoanum Nakai; Acer pictum Thunberg; Acer platanoides L. – Norway maple; Acer shenkanense Fang ex Fu; Acer tenellum Pax; Acer tibetense Fang; Acer truncatum Bunge – Shandong maple; Acer turkestanicum Pax ...