Toxicodendron (Rhus) radicans
Poison Ivy

Family: Anacardiaceae (Sumac family)

Photo taken at Leavenworth Fish Hatchery, partially shaded by black cottonwood and ponderosa pine, sandy soil near the river (20 meters away)

photo of Toxicodendron radicans
© 2000 Thayne Tuason
photo of Toxicodendron radicans
© 2002 Thayne Tuason

Flowers:

petals glabrous


Fruit:

glabrous or subglabrous, white or yellowish, about 4 mm


Leaves:

3 foliate leaves; leaflets acute or acuminate, turning bright red in fall


Plant:

shrub, up to 2 meters tall


Habitat:


Distribution of species:

east Cascades, central Washington and Oregon, east to the Atlantic coast and south to Mexico


Distribution of genus:

6 species: America and east Asia