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Metopium toxiferum (Poisonwood, Florida Poisontree, Hog Gum) is a species of flowering tree in the cashew or sumac family, Anacardiaceae, that is native to the American neotropics. It produces the irritant urushiol much like its close relatives poison sumac and poison oak. It is related to Metopium brownei, the Black Poisonwood.
This tree grows abundantly in the Florida Keys and can also be found in various ecosystems in southern Florida. Its range extends from Florida and The Bahamas south through the Caribbean.