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poison sumac
noun
- a shrub or small tree, Rhus vernix (or Toxicodendron vernix ), of swampy areas of the eastern U.S., having pinnate leaves and causing severe dermatitis when touched by persons sensitive to it.
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Word History and Origins
Origin of poison sumac1
First recorded in 1810–20
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Example Sentences
The same remarks apply to the effects of the poison ivy and poison sumac.
From Project Gutenberg
The staghorn is not to be confounded with its treacherous sister, the poison sumac, with her corpse-colored berries.
From Project Gutenberg
False hellebore was abundant, and on the very top stood a poison sumac—a typical bog plant.
From Project Gutenberg
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