Quercus macrocarpa Michx.
Family: Fagaceae
bur oak
Quercus macrocarpa image
Christopher Noll  
Etymology: Quercus: Latin for oak
Plants: perennial, deciduous tree to 98' + tall; dark gray brown, flat-ridged or scaly bark often with corky wings
Leaves: obovate to narrowly elliptic in outline, often fiddle-shaped, bases rounded to pointed, edges lobed and/or toothed with deepest lobes near the base, rounded tip becoming merely toothed, upper side dark dull green, underside light green to whitish
Flowers: smooth buds; blooms in spring
Fruits: 1-3 acorns on stout stalks; semi-circular to turban-like cup covering 1/2-7/8 of the nut; light brown to grayish, oval to oblong nut
Habitat: moist to wet; bottomlands, prairies, savannas; usually on limestone or calcareous clays
Conservation Status: Native