Click on the text link under each photo to see a larger picture.

poison ivy - leaves are alternate and trifoliolate (composed of three leaflets)
Photo credit: Larry Korhnak, University of Florida

poison ivy Leaf and fruits
Photo credit: James H. Miller, USDA Forest Service, Bugwood.org

poison ivy vine climbing a tree
Photo credit: Charles T. Bryson, USDA Agricultural Research Service, Bugwood.org

poison ivy - two lower leaflets are not always lobed
Photo credit: Chris Evans, Illinois Wildlife Action Plan, Bugwood.org