Poison Ivy
Toxicodendron radicans var. radicansAnacardiaceae — Cashew family
Native
![Poison Ivy](/images/toxicodendron_radicans_1.jpg)
Staminate flowers.
![Poison Ivy](/images/toxicodendron_radicans_2.jpg)
Pistillate flowers.
![Poison Ivy](/images/toxicodendron_radicans_3.jpg)
A shrub about 5' tall. The larger leaflets are about 6" long.
Killens Pond State ParkMay 2013
![Poison Ivy](/images/toxicodendron_radicans_4.jpg)
A large vine, from underneath. The tree trunk is about two feet in diameter.
White Clay Creek State Park -- Creek RoadJune 2005
![Poison Ivy](/images/toxicodendron_radicans_5.jpg)
White Clay Creek State Park -- Judge Morris Estate
June 2013
Search Google • Delaware • USDA
Photos copyright David G. Smith
Information from the Delaware Flora Checklist used with author's permission.