Native to (or naturalized in) Oregon:
- Deciduous tree, to 60 ft (18 m) high, occasionally to 100 ft (30 m) or more, variable spread, narrow or wide, often an open crown. Bark dark brown, inner bark orange or yellow. Leaves simple, alternate, ovate to oblong, 10-25 cm long and 7-13 cm wide, 7-9 bristle-tipped lobes, leathery, glossy dark green above, often glabrous below except in the axils of veins; turn red or orange-brown in fall. Fruit shot-stalked, acorn ovoid, 1.5-2 cm long, enclosed about half by a turban-like cup having light brown downy scales.
- Sun. Bests on moist, well-drained, acid soil. However, grows on clay or sandy, dry, poor soils. Extensive tap root.
- Hardy to USDA Zone 4 Native range from Maine to Florida, west to Minnesota and Texas.
- Oregon State Univ. Peavy Arboretum