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  1. Jun 16, 2021 · Coming in contact with poison ivy, poison oak ,and poison sumac can be more risky in winter than in summer. The winter risk is because the plants are deciduous, meaning they will drop their...

  2. Mar 25, 2020 · Poison sumac is a type of plant that can cause an allergic skin reaction, such as a rash. There are a variety of over-the-counter (OTC) treatments available for relieving symptoms. Poison...

  3. May 5, 2023 · Poison ivy, poison oak and poison sumac are all very common poisonous plants. Touching any of these plants can result in an irritating, itchy skin rash. These plants produce an oil called urushiol that almost everyone is allergic to.

  4. Description. Poison sumac is a native, deciduous, erect shrub or small tree in the Anacardiaceae ( sumac) family native to eastern Canada as well as east-central and eastern United States. They are typically found in the coastal plains of North Carolina, rarely seen in the piedmont or mountain sections of North Carolina.

  5. Oct 16, 2012 · Poison sumac is one of a trio of plants (poison ivy, poison sumac, and poison oak) that produce an oil called urushiol, which is a potent allergen. The vast majority of people (estimates range from 60-90%, depending on your source) react to contact with urushiol by developing a distinctive allergic rash with oozing blisters.

  6. Feb 7, 2020 · Poison sumac is one of the most toxic plants in North America. When the plant is bruised or damaged it releases oil, called urushiol which causes an allergic skin reaction. The scientific name of poison sumac is Toxicodendron vernix. What does poison sumac look like? Poison sumac grows as a shrub, 10-25 inches (25 to 60cm) tall.

  7. Dec 29, 2023 · Werner Meidinger / Getty Images. Poison sumac is a poisonous plant similar to poison ivy and poison oak. Each of these plants contains an oil called urushiol. When you come into contact...

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