Quercus bicolor - Swamp White Oak


Swamp white oak is a large, wide, round-topped, deciduous tree. Its leaves, with their silvery undersides, are typical of those of white oak, yet swamp white oak leaves lack deeply cut lobes. Tree grows to 100 feet (30.5 m) with an irregular crown. Bark dark gray, deep furrows forming scaly or flat-ridges. Twigs smooth, light brown twigs; buds light orangish-brown, smooth, ovoid and blunt. Leaves petiole from 3/8 - 1 inch (10 - 25 mm) long; leaves are narrowly elliptical to obovate, varies up to 7 inches (178 mm) long and 4 3?8 inches (111 mm) wide; base cuneate to acute, rounded apex; margin with 10 - 20 lobes with shallow sinuses, distal half of blade may have teeth; glossy dark green above with white velvety pubescence beneath. Fall color is golden-brown to russet-red.The scientific name refers to the difference in coloration between upper and lower leaf surface. The two largest known specimens grow in Highland County, Virginia, and Washington County, Ohio.