Norway maple Aceraceae Acer platanoides L.   symbol: ACPL
	Leaf: Opposite, simple, and palmately-veined, 5 to 7 lobed with long pointed "teeth", exudes milky white sap from the petiole when detached, dark green above, paler below. A purple (nearly black) leaf variety known as Crimson King is widely planted. Flower: Appear in early spring, before leaves; bright yellow-green in color, with male and female usually on different trees. Fruit: Widely divergent 2-winged samaras, 1 1/2 to 2 inches long in clusters, relatively flat seed cavity, mature in late summer and persist into the winter. Twig: Stout, brown with a large, turban-shaped, green to purple(fall and winter) terminal bud, large bud scales. Bark: Gray-brown, a bit corky, on older trees shallowly furrowed with long narrow, somewhat interlacing ridges. Form: Medium sized tree to 80 feet tall, usually with a dense rounded crown.
	USDAFS Additional Silvics - USDA Plants Database Acer platanoides is planted in the highlighted USDA hardiness zones to the left and may seed into the landscape. See a map of the states in which Norway maple has escaped (opens a new window).