Origins: Widely distributed in hardwood forests of the eastern United States.
Uses: The pollen is reportedly allergenic. Because the bark contains tannins, it is used as an astringent and antiseptic. In Appalachia, a bark tea is used to treat burns and sore mouth. A chartreuse dye is obtained from the bark.
Toxicity: The pollen is reportedly allergenic.
A guide to medicinal plants of Appalachia/ Krochmal, Arnold; Walter, Russel S.; Doughty, Richard M.: USA: U.S.D.A Forest Service:,1959