poison-oak Anacardiaceae Toxicodendron pubescens Mill. Listen to the Latin symbol: TOPU2 Other Fact Sheets
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
leaf flower fruit twig bark form map
Additional Range Information:
Toxicodendron pubescens is native to North America. It is not widely planted. See states reporting poison-oak.
More: Fall Color
External Links:
USDA Plants Database
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Photos and text by: John Seiler,
Edward Jensen, Alex Niemiera,
and John Peterson
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