Also called wafer ash and stinking ash (although not an ash  genus Fraxinus ).  Part of genus Ptelea and rue / citrus  family Rutaceae.

Native to north and central America.

Uses by native peoples
(Ethnobotany database)

Ptelea hosts caterpillars of 7 species
of butterflies and moths, in some areas.

Learn more about hoptree Ptelea trifoliata

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