No Ill Nature: The Surprising History and Science of Poison Ivy …
https://sciencehistory.org/stories/magazine/no-ill-nature-the-surprising-history-and-science-of-poison-ivy-and-its-relatives/
WebJun 3, 2013 · For most people poison ivy has long meant just one thing: suffering. The common three-leaved plant and its relatives—poison oak and poison sumac, found in North America, and the lacquer tree, native to Asia—all contain urushiol, an organic compound that sets off violent allergic reactions in most humans.
DA: 57 PA: 58 MOZ Rank: 32