Yes.
Poison sumac, Toxicodendron vernix, is related to the poison ivies and poison oaks, not to the other sumacs. It is relatively rare, compared to the other members of the family. Poison ivy, poison oak, and poison sumac release an oil, urushiol, when the leaf or other plant parts are bruised, damaged, or burned. When the oil gets on the skin an allergic reaction, referred to as contact dermatitis, occurs in most exposed people as an itchy red rash with bumps or blisters. Causes of Poison Ivy, Oak, and Sumac Rash. The rash caused by poison ivy, oak, and sumac is an allergic skin reaction to an oil called urushiol that is inside the plant. This oil is found in all parts of the plant, including the leaves, stems, roots, and berries. Poison Plant rash is an allergic contact dermatitis caused by contact with oil called urushiol. Urushiol is found in the sap of poisonous plants like poison ivy, poison oak, and poison sumac. It is colorless or pale yellow oil that oozes from any cut or crushed part of the plant, including the roots, stems, and leaves. Poison oak is most often seen in shrub form, but it can also grow as a vine. Image courtesy of www.poison-ivy.org. When it comes to identifying poison ivy and oak, a quick rule of thumb is: Leaves of three, beware of me. Poison Sumac: This rash-producer thrives in the water. Poison ivy, oak, and sumac are plants that can cause a red, itchy rash called allergic contact dermatitis. It is the most common skin problem caused by contact with plants. The rash is caused by contact with a sticky oil called urushiol (say yoo-ROO-shee-all) found in poison ivy, oak, or sumac. You can get the rash from: 1  Touching or brushing against any part of these plants, including the leaves, stems, flowers, berries, and roots, even if the plant is dead. Poison Sumac. Poison sumac, Toxicodendron vernix, is related to the poison ivies and poison oaks, not to the other sumacs. It is relatively rare, compared to the other members of the family. The rash-causing agent, urushiol, is the same, and it causes the same rashes.
http://www.poison-ivy.org/poison-sumac http://www.cdc.gov/niosh/topics/plants/default.html http://www.emedicinehealth.com/allergy_poison_ivy_oak_and_sumac/article_em.htm http://www.uis.edu/healthservices/forms/poisonivyoaksumac/ http://www.dummies.com/how-to/content/how-to-identify-poison-ivy-oak-and-sumac.html http://www.webmd.com/skin-problems-and-treatments/tc/poison-ivy-oak-or-sumac-topic-overview http://www.poison-ivy.org/poison-sumac
is poison sumac a vine