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Quercus robur



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Quercus robur
English oak

Alternate, simple and obovate, the 3 to 5" leaves of this species have 3-7 rounded lobes. The sinuses between the lobes are more shallow than those of Quercus alba and the auriculate base of the English oak leaves is distinct from the cuneate base of Quercus alba. Less glossy than those of most oaks, the leaves are dark and bluish green above unless covered by powdery mildew in which case they appear gray-green and very dull.

 
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