poison-oak Anacardiaceae Toxicodendron
|Leaf: Alternate, compound with 3 leaflets, 7 to 10 inches long; very shiny above, velvety beneath. The leaflets are lobed resembling a white oak. TOXIC.
Flower: Small, yellowish in clusters, appearing in early spring. TOXIC.
Fruit: Greenish white, 1/4 inch in diameter in tight clusters, appearing in late spring. TOXIC.
Twig: Slender, gray-brown, slightly fuzzy or glabrous; naked light brown buds are velvety. TOXIC.
Bark: Smooth, light brown. TOXIC.
Form: Always erect, reaching a height of ten feet but usually shorter (2 to 4 feet).
Looks like: poison-ivy
- fragrant sumac
- skunkbush sumac
- Pacific poisonoak
| Additional Range Information:
Toxicodendron pubescens is native to North America.
Range may be expanded by planting.
See states reporting poison-oak.
| External Links:
USDA Plants Database
|© Copyright 2015, Virginia Tech|
Dept. of Forest Resources
and Environmental Conservation,
all rights reserved.
Photos and text by: John Seiler,
Edward Jensen, Alex Niemiera,
and John Peterson