Title: Lappa
Additional Names: Burdock; clotbur; bardana
Literature References: Dried first-year root of Arctium lappa L., or of Arctium minus Bernh., Compositae. Habit. Europe, Northern Asia; naturalized in N. America. Constit. Volatile oil, bitter principle, inulin, tannin.
Therap-Cat: Dermatologic.