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Urban Tree Key / Leaves simple / Opposite or Whorled / Opposite / <6″ wide / Pinnately veined / Eucalypts / Bark rough / Leaves bluish / Alternate

Are the leaves <1/2″ or >3/4″ wide?

Leaves mostly less than 1/2" wide

Fruit less than 1/4″ in diameter
Narrow-Leaf Peppermint (Eucalyptus nicholii)

Leaves mostly 3/4" wide or wider

Fruit 1/4″ in diameter or greater

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

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