Poison ivy is a type of allergenic plant in the genus Toxicodendron native to Asia and North America. Formerly considered a single species, Toxicodendron radicans, poison ivies are now generally treated as a complex of three separate species: T. …

Jun 3, 2013 · Poison ivy, poison oak, and poison sumac were originally placed in the genus Rhus (the sumacs). By the 1930s botanists often separated the irritating plants from the other sumacs, assigning them to the appropriately named genus Toxicodendron (Greek for “poison tree”).

Feb 20, 2024 · Poison Ivy (aka, Dr. Pamela Lillian Isley, Ph.D.) may sound like the far-out fantasy of DC’s most Earth-loving employees, but her powers aren’t as unrealistic as you might think. As it happens,...

Oct 7, 2017 · Poison Ivy has always been a compelling temptress. She’s a true femme fatale, using seduction to further her personal goals and get what she wants. Not only is she physically beautiful, she actually exudes pheromones that attract people to her.

Poison ivy belongs to the same plant family, Anacardiaceae, as mangos and cashews. All three of these plants produce urushiol, the compound that causes the itchy rash. People who chew the mango flesh from mango skins frequently get a blister rash on their lips.

Sep 26, 2024 · Contrary to popular belief, poison ivy is not actually a type of ivy but belongs to the cashew family. Its ability to cause skin irritation, medically referred to as urushiol-induced contact dermatitis, has made it a well-known and often feared plant among outdoor enthusiasts and gardeners alike.

Poison ivy, with the possible exception of ragweed, is assuredly, from the medical point of view, the biggest plant nuisance in this country. Botanically, poison ivy belongs to the Anacardiaceae, which is a large family, most of whose members are tropical or sub-tropical.

The common name “poison ivy” highlights the potential toxic effects of contact with the plant’s leaves, which typically produce an intensely itchy skin rash and blisters. The name also refers to one of the plant’s common growth habits—that of an ivy-like trailing vine.

Feb 20, 2024 · Despite its name, poison ivy is not poisonous. It carries an oily sap on its leaves and stems called urushiol, which is irritating to most people’s skin. In fact, 85 percent to 90 percent of...

Jul 1, 2021 · Poison ivy has leaves in groups of three, a green or reddish tint, and a hairy vine. A poison ivy rash looks like small, red bumps that can sometimes progress into blisters. To avoid poison ivy,...