poison sumac

noun

Definition of poison sumac

: a swamp shrub (Toxicodendron vernix synonym Rhus vernix) chiefly of the eastern U.S. and Canada that has pinnate leaves, greenish flowers, and greenish white berries and produces an irritating oil

called also poison dogwood

Examples of poison sumac in a Sentence

Recent Examples on the Web While poison sumac is mostly found in the northeastern part of the state, the plant loves to live in swamps, bogs and wet areas. Sarah Bowman, The Indianapolis Star, 3 Aug. 2021 The oil in poison sumac makes all parts of the plant toxic, and creates symptoms such as itchiness, burning, redness and blistering. Sarah Bowman, The Indianapolis Star, 3 Aug. 2021 The three likeliest culprits for skin irritation or rashes from outside plants are: poison oak, poison ivy, and poison sumac. Madison Yauger, Health.com, 28 June 2021 The sap from a poison oak plant-along with poison ivy and poison sumac plants-is what triggers the allergic reaction, that typically shows up a few hours to a few days after exposure. Madison Yauger, Health.com, 28 June 2021 So, poison ivy, poison oak, and poison sumac all cause irritation to the skin through a plant oil—technically called urushiol oil—found in the sap of these plants, according to the US Food & Drug Administration (FDA). Maggie O'neill, Health.com, 14 May 2021 Calabrese points to populations of poison sumac in the Brecksville and Hinckley Reservations, though the plant is found only in bogs, all of which are well beyond the park district’s trail network. cleveland, 30 June 2020 What is the difference between poison ivy, poison sumac, and poison oak? Everyday Einstein Sabrina Stierwalt, Scientific American, 26 Jan. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'poison sumac.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of poison sumac

1737, in the meaning defined above

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Time Traveler for poison sumac

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The first known use of poison sumac was in 1737

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Dictionary Entries Near poison sumac

poison spot

poison sumac

poison tobacco

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Statistics for poison sumac

Cite this Entry

“Poison sumac.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/poison%20sumac. Accessed 24 Jan. 2022.

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More Definitions for poison sumac

poison sumac

noun

English Language Learners Definition of poison sumac

: a common bush in the eastern U.S. and Canada that causes a very itchy and painful rash on your skin if you touch it

poison sumac

noun

Kids Definition of poison sumac

: a shrub or small tree related to poison ivy that can cause an itchy painful rash when touched

poison sumac

noun
poison su·​mac | \ -ˈs(h)ü-ˌmak How to pronounce poison sumac (audio) \

Medical Definition of poison sumac

: an American swamp shrub of the genus Rhus (R. vernix synonym Toxicodendron vernix) that has smooth pinnate leaves, greenish flowers, and greenish white berries and produces an irritating oil

called also poison dogwood

More from Merriam-Webster on poison sumac

Britannica.com: Encyclopedia article about poison sumac

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