Poison Ivy 5 Leaves. They're shiny with smooth or slightly notched edges. Poison oak looks similar, but the leaves are larger and more rounded like an oak leaf.
Poison ivy leaves are compound leaves, that is, each leaf is composed of three leaflets. I'm covered in breakout, but not watery blisters, just itchy red lumps some resembling spider bites. Not that I was raised by a pack of wolves or anything (although in my teenage years I may have thought otherwise).
Only humans are susceptible to the poison ivy rash.
The middle leaflet is longer than the other two, and the leaflets are wider at their base and are elliptical in shape, with small lobes.
Poison ivy, poison oak, and poison sumac are made of compound leaves—multiple leaflets that make up one Use herbicides that treat ivy, oak, and sumac. Mowing poison ivy is also a risky idea, as the chopped-up leaves release even more of. They have a textured, hairy surface.