- Eupatorium, genus Eupatorium - large genus of chiefly tropical herbs having heads of white or purplish flowers
--1 is a kind of asterid dicot genus
--1 is a member of
--1 has members:Compositae, family Compositae, Asteraceae, family Asteraceae, aster family Joe-Pye weed, spotted Joe-Pye weed, Eupatorium maculatum; boneset, agueweed, thoroughwort, Eupatorium perfoliatum; Joe-Pye weed, purple boneset, trumpet weed, marsh milkweed, Eupatorium purpureum