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Can exceed 100' in height. Leaves compound with 11-25 leaflets, finely toothed. Male and female catkins. Seeds hang in long (20") clusters looking like many stacked green wingnuts. Rare in Portland.
* "Pterocarya fraxinifolia (Caucasian wingnut) is a species of tree in the Juglandaceae family. It is native to Armenia, Azerbaijan, Georgia, Iran, Russia, and Turkey. It was introduced to France in 1784, and to Great Britain after 1800." * from wikipedia entry
This is a Portland Heritage Tree here in Portland, OR. It's heritage tree number is 82.