Toxicodendron radicans

Common Name: 
poison ivy, Markweed
Scientific Name: 
Toxicodendron radicans (L.) Ktze., syn. Rhus radicans
Family Name: 
Anacardiaceae - Cashew Family
Identification Notes
Life Cycle
native perennial, reproducing by seeds and creeping roots
Stems
trailing or climbing vine, climbing with support of aerial roots, roots with soil contact, woody
Stems of Poison-Ivy
Stems of Poison-Ivy
Stems of Poison-Ivy
Stems of Poison-Ivy
Stems of Poison-Ivy
Stems of Poison-Ivy
Stems of Poison-Ivy
Stems of Poison-Ivy
Stems of Poison-Ivy
Stems of Poison-Ivy
Leaves
alternate, shiny, margins entire to randomly toothed; 3 ovate leaflets, two lateral short stalked, central long stalked
Leaves of Poison-Ivy
Leaves of Poison-Ivy
Leaves of Poison-Ivy
Leaves of Poison-Ivy
Leaves of Poison-Ivy
Leaves of Poison-Ivy
Leaves of Poison-Ivy
Leaves of Poison-Ivy
Flowers
5-petaled, yellowish-green to green, small, male and female on separate plants; axillary clusters
Flowers of Poison-Ivy
Flowers of Poison-Ivy
Fruit
green berries, turn light gray when mature
Fruits of Poison-Ivy
Fruits of Poison-Ivy
Fruits of Poison-Ivy