Poison Ivy - Eastern Poison Ivy
Toxicodendron radicans (L.) Kuntz
Syn: Rhus radicans
Anacardiaceae Family

Plant is a high-climbing trailing or woody vine with erect stems. Its preferred habitat is a wide range of moist or dry sites, open to shady places. Distribution is throughout the Escambia region. Plant is poisonous and may cause a blistering skin rash when touched.

The leaves are alternate on the stem, three thin leaflets that may be ovate to elliptic. The leaf margins may be entire (smooth) to serrate or shallowly lobed, softly hairy and lighter green beneath. The lateral leaflets may not have leaf stalks. The terminal leaflets are symmetric with stalks. Leaves turn yellow, orange, or reddish in autumn.

The flowers are panicles in the leaf axil. Each will have five white and purplish petals, bisexual in nature and symmetrical in form. Flowers occur in late spring.

Fruit is a dry drupe, spherical in form, grooved, tan, and hairless.

Previous Page     Return to Index     Next Page