swamp white oak Fagaceae Quercus bicolor Willd. Listen to the Latin symbol: QUBI Other Fact Sheets
Leaf: Alternate, simple, obovate, 3 to 7 inches long, margin with large irregular blunt teeth, 2 to 4 1/2 inches wide, dark green and shiny above, very pale below.
Flower: Species is monoecious; male flowers are yellow-green long catkins (2 to 4 inches long); females are green to red, very small in leaf axils; appearing in mid-spring with the leaves.
Fruit: Acorn, 1 inch long, tan, borne singly or double on a long stalk (2 inches), bowl-shaped cap covers about 1/3 of nut.
Twig: Moderately stout, light brown, terminal buds short, blunt and light brown, thread-like stipules often present around terminal bud.
Bark: Gray and scaly, later developing irregular fissures and ridges.
Form: Medium size tree reaching heights of 80 feet, irregular crown, often with lower limbs remaining.

Looks like: swamp chestnut oak - chestnut oak - chinkapin oak - bur oak
leaf flower fruit twig bark form1 map
Additional Range Information:
Quercus bicolor is native to North America.
Range may be expanded by planting.
See states reporting swamp white oak.
More: Fall Color
External Links:
USDAFS Silvics of North America
USDAFS Additional Silvics
USDA Plants Database
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Photos and text by: John Seiler,
Edward Jensen, Alex Niemiera,
and John Peterson
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