swamp white oak Fagaceae Quercus bicolor Willd.   symbol: QUBI
	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: 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.
	USDAFS Silvics of North America - USDAFS Additional Silvics - USDA Plants Database Quercus bicolor is native to North America. Range may be expanded by planting. See states reporting swamp white oak (opens a new window).