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Urban Tree Key / Leaves simple / Leaves alternate / Margin wavy / Pinnately veined / Not acorn / Deciduous / Symmetrical / Erect / Dry / Margin Flat / Not rough / Bark rough / Fruits cone-like / Alders

Are the leaves heart-shaped or egg-shaped?

Leaves heart-shaped

Italian Alder (Alnus cordata)

Leaves egg-shaped

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

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