Large, annual flower reaching heights of 1.8-3 meters (6-10ft). Leaves are alternate, heart-shaped, and bristly. Flowers are yellow to orange in color and composite with dark brown centers. Flowers present July through October.
Found in prairies, open fields, roadsides, and planted as ornamental flower. Ranges from Minnesota to Texas, but has been known to grow wild elsewhere.
Uses and Parts Used
Flower tea used for lung ailments and malaria.
Leaf tea reduces high fevers and has astringent properties. Leaf poultice may be used on snakebites and insect bites. Leaves are also diuretic and expectorant, as are seeds.
Pollen may cause allergic reactions.