Poison ivy (Toxicodendron radicans) is a vine that contains an oily resin known as urushiol. According to the Centers for ...

Poison ivy has three shiny green leaves ... Leaves are elongated, oval, and have smooth margins. Leaf size Leaves are about 6 ...

The poison oak plant looks like a leafy shrub and can grow up to 6 feet tall. In shady areas, it can grow like a climbing vine. The leaves typically ... Like poison ivy and poison sumac, poison ...

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 ...

When you’re spending time outdoors this summer, in your own yard or hiking in a park, it’s useful to know to spot poison ivy.

Urushiol is the oily substance in the leaves, stems, and roots of the poison ivy plant. Approximately 90% of people are allergic to this substance and develop a rash upon contact. So, if someone ...