Norway Maple Tree - Acer platanoides "Crimson King"
Family Aceraceae - Maples

The Norway Maple is considered an invasive species in North America.  USDA zones: 3B through 7
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‘Crimson King’ Norway maple grows to a height of 50 feet spreading about 25 to 30 feet and is quite popular for its purple-green foliage throughout the summer. Leaves turn brown, dark maroon or bronze in the fall before dropping. The oval to rounded crown fills with maroon-yellow flowers in the spring. ‘Crimson King’ Norway Maple’s dense shade and shallow root system compete with lawn grasses, and the shallow roots can make mowing under the tree difficult.

Crimson Maple Tree "Crimson King"
A stunning, dark-red tree with a leaf shape like its cousin the sugar maple. Unlike the sugar maple, Norway maple leaves have a milky sap when broken, and their fall color is limited to yellow (except for the maroon-leaved varieties like Crimson King). Native to Europe, this tree was introduced in Philadelphia in 1792 as an ornamental street tree. Today, it is the most commonly planted street tree in the U.S. It spreads by prolific production of wind-borne, two-winged seeds. It is easily established in open woodlands and fields. Shade tolerant and an efficient user of water and nutrients, it can outcompete native sugar maple and beech. Its dense canopy limits understory herbaceous growth.
Crimson Maple Tree Bark
 Bark
References:
1. Mark Brand, University of Connecticut Database
2. North Carolina State University Cooperative Extension, Consumer Horticulture Acer griseum
3. USDA, ARS, National Genetic Resources Program Germplasm Resources Information Network - (GRIN)
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