The allergic reaction to poison sumac can be much more intense with painful swelling and eruptions. Skin Irritations: Notorious as the most toxic plant of North America, poison sumac has urushiol oil in higher concentrations than poison ivy and poison oak. You can also identify it by its greenish-yellow flowers and gray berries, distinguishing it from seemingly similar but harmless plants. Red stems branch off the main trunk and have compound leaves with 7-13 leaflets, oblong in shape with smooth edges. Poison sumac grows as a small tree or a tall shrub and can achieve a height of 6-30 feet. However, it’s rarely seen in the midwestern states. The severity of the blisters depends on the allergic reaction of your body.Ĭommonly Found In: You will encounter poison oak most often on the West Coast compared to the eastern states. Similar to poison ivy, the rashes are itchy and red. Skin Irritations: Since poison oak sap also contains urushiol oil–you can get rashes by touching any part of the plant. You may come across poison oak vines or shrubs while trekking in the forest or traversing dry sandy fields. It has firm stalks, and the plant bears yellow flowers and fuzzy greenish-white berries. Poison oak’s leaves are hairy and grow in clusters of three like poison ivy. Poison oak’s deep green leaves resemble those of the English oak even though both plants are unrelated otherwise. It grows as a woody shrub in the north, while in the south, midwest, and on the East Coast, poison ivy grows on a vine. Contrary to popular belief, poison ivy rashes are non-contagious and only form where the skin came into contact with the urushiol oil.Ĭommonly Found In: You can find poison ivy throughout the continental US except for the West Coast, where its occurrence is rare. Red and itchy blisters can form days or even weeks after your first exposure. Skin Irritations: Poison ivy’s sap contains the toxin urushiol oil, which irritates the skin on contact. Typically poison ivy grows as a vine along roadsides and on trees, and it also trails as ground cover. You can also pinpoint it by its fruits that grow in bunches of greenish-white drupes. Poison ivy is easily identifiable by its trademark trifoliate leaves that sprout in clusters of three at the same spot on the stem. To help you avoid this unpleasantness, let’s have a look at some common toxic plants, what they look like, how you can identify them, and where you may encounter them. When you accidentally brush against the leaves or stems of a poisonous plant, you can get contact dermatitis, which looks like a rash that may be short-lived or may require emergency medical attention. People may react differently to the toxins in these plants, and you can get anywhere from insignificant rashes to horrendous blisters depending on your susceptibility. Many harmless-looking plants in the wild can cause skin irritation in humans. If you develop rash or blisters soon after a walk, don’t be too quick to blame it on the bugs! Being out in the greenery is rejuvenating, but a relaxing stroll can become a pain if you get too cozy with the bushes.
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