skunkbush sumac Anacardiaceae Rhus trilobata Nutt. Listen to the Latin symbol: RHTR Other Fact Sheets
Leaf: Alternate, compound, with 3 variously lobed, coarsely serrated leaflets, leathery (may be scruffy), 2 to 3 inches long, dark green and shiny above, unpleasant odor when crushed.
Flower: Small white to creamy yellow flowers in a terminal spike-like cluster, appear in late spring.
Fruit: Fuzzy, orange-red, round, sticky drupe, 1/4 inch across, in terminal clusters ripen in late summer to early fall.
Twig: Moderate, fuzzy gray to yellow brown, raised leaf scar; preformed catkins present in the winter; unpleasant odor when broken.
Bark: Gray-brown, smooth with a few shallow fissures and splits with age.
Form: Shrub ranging from 2 to 8 feet in height; it is more branched and short in the southwest part of its range; spread is often much greater than its height.

Looks like: Pacific poisonoak - fragrant sumac
leaf flower fruit twig bark form1 map
Additional Range Information:
Rhus trilobata is native to North America.
Range may be expanded by planting.
See states reporting skunkbush sumac.
External Links:
USDAFS Additional Silvics
USDA Plants Database
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Photos and text by: John Seiler,
Edward Jensen, Alex Niemiera,
and John Peterson
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