common burdock, burdock, clotbur, cuckoo button, smaller burdock.
A biennial or perennial 3 to 8 feet in height, with many flowered heads.
June to October.
Fields and pastures.
Roots in the fall of plant's first year of growth; seeds the second year of growth.
Plant is a diaphoretic, diuretic, alterative, and depurative. It is used externally in salves or as a wash for burns, skin irritations, and minor wounds.