Urban Tree Key
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Urban Tree Key / Leaves simple / Leaves alternate / Leaves smooth / Not Bottlebrush or Acacia / >3/4″ wide / No Latex / Not lemon-scented /
Without Dots / Tip rounded / Not heart-shaped / Not hairy / Not Rust colored

Leaf upper surface rough to touch or smooth?

Leaf upper surface rough to touch

Flowers >2″ wide
Saucer Magnolia (Magnolia x soulangeana)

Leaf upper surface smooth, shiny

Flowers <1.5″ wide

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

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