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Urban Tree Key / Leaves simple / Leaves alternate / Margin wavy / Pinnately veined / Oaks / Deciduous / Lobe spiny / Acorn shallow

Are the leaf lobes shallow or deep?

Leaf lobes usually extending less than half the distance to the midrib and tapering to their tips

Red Oak (Quercus rubra)

Leaf lobes cut more than halfway to the midrib and not tapering evenly to their tips

Urban Forest Ecosystems Institute
NRES Department
California Polytechnic State University
San Luis Obispo, CA 93407

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