Urban Tree Key
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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

Does the bark shed in plates or not?

Bark smooth, mottled, with orange patches, shed in plates

Chinese Elm (Ulmus parvifolia)

Bark rough, fibrous, dark brown to black or smooth and gray or white

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

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