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

Are the leaves attached opposite or alternate?

Leaves attached oppositely

Flower buds and fruit grouped in threes
Argyle Apple (Eucalyptus cinerea)

Leaves attached alternately

Flower buds and fruit grouped in fives or more

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

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