Norway maple Aceraceae Acer platanoides

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.

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