Click on the images help you identify a swamp white oak.
Form
Height may reach 65 feet with a trunk diameter of up to 36 inches. Narrow, rounded top, open crown. The upper trunk is often fringed with short drooping branches.
Bark
Thick, deeply and irregularly divided by fissures into broad ridges. Color is grayish brown. Bark on twigs is ragged and often peeling.
Leaf
Leaves are simple, alternate on stem, 5 to 6 inches long, and often crowded toward ends of twigs. Leaves are broad at middle (pear shaped) and wedge shaped at base, and wavy and indented along margins. Color is dark green and shiny above, grayish and fuzzy beneath, turning brown in autumn.
Fruit (seed)
Nut or acorn, about 1 inch long, and enclosed for about one-third of its length in a thick, narrow cup. Acorns appear in pairs on slender dark brown stalks that are 2 to 4 inches long.
Range
Common in river bottoms in the extreme southeastern corner of the state and in the southern part of the Minnesota River Valley. Requires moist soil as name implies. Moderately shade tolerant, slow growing.
Wood uses
Light brown, hard, strong, tough, and durable. Used for railway ties, barrels, mine timbers, furniture, flooring, and other interior finish.