Acer macrophyllum, the bigleaf maple[2] or Oregon maple, [3] is a large deciduous tree in the genus Acer. It is native to western North America. In addition to uses by animals, it is of some culinary and woodworking interest.

Acer macrophyllum Pursh. (AY-ser mak-ro-FILL-um) Names: Big-Leaf Maple, sometimes called Oregon Maple, derives both its common name and its scientific name, macrophyllum, from the fact that it can have leaves up to 12 inches across–the largest of any maple!

Popular on the Pacific Coast, Acer macrophyllum (Bigleaf Maple) is a large deciduous tree of upright habit with a broad, rounded crown of massive, spreading branches, steeply inclined at the tips. Emerging burgundy in spring, the deeply-lobed leaves, up to 12 in. across (30 cm), mature to dark green before turning brilliant shades of orange and ...

Deeply 5-lobed (occasionally 3-lobed) leaves (to 8-12” long and wide) emerge with burgundy tones in spring, mature to glossy medium to deep green, and finally turn yellow to yellow-orange in fall. Largest leaves of any maple. Petioles contain a milky sap.

Deciduous tree, 50-75 (100) ft [15-23 (30) m], ascending, becoming rounded, shallow root system. Leaves, opposite, simple, large (20-30 cm across, the largest leaves of all the maples), lustrous dark green above, pale beneath, 3-5 toothed lobes, petiole yields milky sap when detached.

Acer macrophyllum, bigleaf maple. In: Fire Effects Information System, [Online]. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory (Producer).

They are the largest leaves of any North American maple, from 4 to 10 inches across. They are deep glossy green in the summer and turn yellow to yellow-orange in the fall. The stalks on the leaves produce a milky sap when broken. Fragrant greenish-yellow flowers bloom late …

Bigleaf maple (Acer macrophyllum) is a fast-growing deciduous tree native to the Pacific Coast and parts of inland California. It provides dense summer shade and brilliant fall color in colder regions. Its signature feature is its massive, lobed leaves, which can grow nearly two feet across.

Common Name (s): Bigleaf maple, Oregon maple. Scientific Name: Acer macrophyllum. Distribution: Coastal regions of Pacific North America. Tree Size: 80-100 ft (25-30 m) tall, 2-3 ft (.6-1.0 m) trunk diameter. Average Dried Weight: 34.0 lbs/ft 3 (545 kg/m 3) Specific Gravity (Basic, 12% MC): .44, .55. Janka Hardness: 850 lb f (3,780 N)

Acer macrophyllum is a tree that is native to California, and also found elsewhere in North America and beyond.