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Urban Tree Key / Leaves simple / Opposite or Whorled / Opposite / >8″ wide / Paulownia

Paulownia tomentosa

Empress Tree

Paulownia kawakamii

Sapphire Dragon Tree

Peduncles as long or longer than pedicels……….Paulownia tomentosa

Peduncles much shorter than pedicels……….Paulownia kawakamii

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

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