Photograph from Lewis and Clark Herbarium/Academy of Natural Sciences
Squaw Bush (Skunkbush, Ill-Scented Sumac)
October 1, 1804, along the Cheyenne River, South Dakota.
Squaw bush is a member of the cashew family (family Anacardiaceae) which includes trees, shrubs, and few woody vines with resinous sap often in bark and other parts; in a few species the resin or volatile oil is caustic and poisonous to the skin. Flowers tiny or small; commonly white. Height: to 8 ft (2.4 m).