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Urban Tree Key / Pinnately compound / Leaves opposite / Leaves pinnate/ Leaflets ≥ 7 / Ashes / Stalked

Are the flowers white or green?

Flowers whitish green with petals terminal

Flowers emerging after leaves
Flowering Ash (Fraxinus ornus)

Flowers greenish without petals in leaf axils, inconspicuous

Flowers emerging with new leaves

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

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