Feb 19, 2025 · Poison sumac is one of the most toxic plants in the United States. It can cause a horrible skin reaction that can persist for weeks. Poison sumac is much less common than poison oak and poison...

Toxicodendron vernix, commonly known as poison sumac, [4] or swamp-sumach, [5] is a woody shrub or small tree growing to 9 metres (30 feet) tall. [6][7] It was previously known as Rhus vernix. This plant is also known as thunderwood, particularly where it …

Jul 3, 2024 · Poison sumac (Toxicodendron vernix) contains a rash-inducing oil called urushiol. When this colorless, oily resin makes contact with skin, it can cause allergic contact dermatitis. Poison sumac rashes have red blotches of inflammation or clusters of blistery skin that itch.

Sep 12, 2018 · Poison Sumac, or Toxicodendron vernix, is a common North American plant that causes skin irritation to people. Like its better-known cousin poison ivy, the green leaves of poison sumac sure to put a damper on an otherwise pleasant camping trip or another outdoor excursion. Poison sumac also goes by the name thunderwood in the southeastern US.

Mar 25, 2020 · Poison sumac is a plant that can cause allergic skin reactions. These are usually mild, but treatment may be necessary for severe symptoms. Learn more here.

Poison ivy is a common poisonous plant that causes an itchy skin rash. Other rash-inducing poisonous plants include poison oak and poison sumac. These plants produce an oily sap that contains urushiol (pronounced yer-OO-shee-all), which causes an irritating, itchy allergic reaction.

Oct 16, 2012 · There is, however, a sumac that should be avoided at all costs: Toxicodendron vernix, better known as poison sumac. 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.

Jun 5, 2024 · Find out what kinds creams or home remedies can help ease the itchy rash of poison ivy, oak, or sumac.

Apr 7, 2022 · Identifying poison sumac is crucial because it can trigger painful allergic reactions—rashes or worse. For some, these reactions are severe. Because physical symptoms aren’t immediate, learning...

Poison sumac is a shrub or small tree that can reach 20 feet tall and 4 to 6 feet wide. Bark Color and Texture. Poison sumac has stout branches that are light gray and dotted with pores, known as lenticels. Mature bark is pale gray and marked by narrow, elongated lenticels.