Native to (or naturalized in) Oregon:
- Broadleaf deciduous tree, to 50 ft (15 m) high in its habitat, compact, branches until the second year with rust-yellow pubescence. Bark on young trees is gray-brown and striated, on older trees gray and rough but not flaky. Leaves opposite, compound, 3 leaflets, ovate to elliptic-oblong, 5-12 cm long, middle leaflet stalked, axillary leaflets sessile, margin entire or occasionally toothed, upper side dull green, underside gray-green with prominent veins and scattered pubescence; fall color is scarlet-red. Flowers usually 3 per group, yellow, about 1 cm wide. Trees may have all male or all female flowers, if both on the same tree they are on separate branches. Fruit pubescent, wings 4-5 cm long, nearly parallel or forming and angle of up to 60 degrees.
- Sun to part shade.
- Hardy to USDA Zone 5 Native to Japan (Honshu, Kyushu and Shikoku islands) and China (Hubei and Anhui).
- Caution: There is also another maple species with a similar name, e.g., Acer maximowiczii, Maximowicz's snakebark maple. This small tree has simple leaves and striped bark.
- maximowiczianum: after Russian botanist Carl Maximowicz (1827-1891).