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Acer saccharum, the sugar maple, is a species of flowering plant in the soapberry and lychee family Sapindaceae. It is native to the hardwood forests of eastern Canada and the eastern United States. [3] Sugar maple is best known for being the primary source of maple syrup and for its brightly colored fall foliage. [4]
Acer grandidentatum, commonly called bigtooth maple or western sugar maple, [2] [3] is a species of maple native to interior western North America. It occurs in scattered populations from western Montana to central Texas in the United States and south to Coahuila in northern Mexico .
It causes sapstreak disease in just one host species: Acer saccharum, commonly known as the sugar maple or rock maple. Symptoms include a sparse crown, dieback, dwarfed leaves, and cankers. Infected trees may die suddenly or languish for 2–4 years.
A member of the Aceraceae (maple) family, Acer leucoderme can be most easily differentiated from its closest cousin, Acer floridanum (Florida maple or Southern sugar maple), by its leaves and size. 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 sugar maple is easy to differentiate by clear sap in the petiole (leaf stem); Norway maple petioles have white sap. [citation needed] The tips of the points on Norway maple leaves reduce to a fine "hair", while the tips of the points on sugar maple leaves are, on close inspection, rounded. On mature trees, sugar maple bark is more shaggy ...
Acer floridanum (syn. Acer saccharum subsp. floridanum (Chapm.) Desmarais, Acer barbatum auct. non Michx.), commonly known as the Florida maple and occasionally as the southern sugar maple or hammock maple, is a tree that occurs in mesic and usually calcareous woodlands of the Atlantic and Gulf coastal plain in the United States, from southeastern Virginia in the north, south to central ...
Eutypella canker is a plant disease caused by the fungal pathogen Eutypella parasitica. This disease is capable of infecting many species of maple trees and produces a large, distinguishable canker on the main trunk of the tree. Infection and spread of the disease is accomplished with the release of ascospores from perithecia.
Carelessness with machinery or taps in sugar bushes is a frequent cause of decline in sugar maple and black maple. [citation needed] Unusual weather conditions can also lead to maple decline. A classic example occurred across southern Quebec in 1981 when an exceptional February thaw destroyed the snow cover. Later, hard frost penetrated the ...