Do other plants have urushiol?
Yes, as a matter of fact, a number of the members of the Sumac family contain urushiol. These include the cashew nut shell, mango, Rengas tree, Burmese lacquer tree, India marking nut tree, and Ginkgo biloba. These are all members of the Anacardiaceae family (or commonly named “cashew”) which comprises about 70 genera and 850 species of trees and shrubs. Below are links sites with extensive information about other plants of the Anacardiaceae family and which have urushiol.
