A passage from Medicinal Plants of the Western Mountain States:
Although Cottonwood’s phenolic glycoside content differs slightly from Aspen (Populus tremuloides) and Balsam poplar (Populus balsamifera), the tree’s uses are very similar. The bark tea is a reliable and broadly acting antiinflammatory agent.
Author, Researcher, Clinician. Latest titles: Wild Edible Plants of Oklahoma, 2nd ed., Wild Edible Plants of Arizona, 2nd ed., and Wild Edible Plants of Arkansas, 2nd. ed.