Quercus macrocarpa Michx.
Family: Fagaceae
bur oak
[Quercus macrocarpa f. olivaeformis Michx.,  more]
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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
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Mary Ann Feist  
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Matthew L. Wagner  
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Paul Drobot  
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Aaron_Carlson  
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Merel R. Black  
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Aaron_Carlson  
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Robert W. Freckmann  
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Matthew L. Wagner  
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Robert W. Freckmann  
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Michael Clayton  
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Paul Drobot  
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Christopher Noll  
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Paul Drobot  
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Merel R. Black  
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Janice Stiefel  
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Paul Drobot  
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Kenneth J. Sytsma  
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Christopher Noll  
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Robert R. Kowal  
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Botanical Illustration  
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Botanical Illustration  
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Aaron_Carlson  
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