manchineel
noun
man·chi·neel ˌman-chə-ˈnēl 
: a poisonous tropical American tree (Hippomane mancinella) of the spurge family having a blistering milky juice and apple-shaped fruit
Example Sentences
Recent Examples on the Web If touched, the irritants found in manchineel sap can produce inflammation and painful blisters on the skin. 
Caroline Rogers, Southern Living, 1 July 2020 This is the family, Euphorbiaceae, to which the dreaded, nearly mythical manchineel tree (Hippomane mancinella) with its toxic fruit belongs. Kenneth Setzer, Sun-Sentinel.com, 3 July 2017
Caroline Rogers, Southern Living, 1 July 2020 This is the family, Euphorbiaceae, to which the dreaded, nearly mythical manchineel tree (Hippomane mancinella) with its toxic fruit belongs. Kenneth Setzer, Sun-Sentinel.com, 3 July 2017 Word History
Etymology
French mancenille, from Spanish manzanilla, from diminutive of manzana apple
First Known Use
1630, in the meaning defined above