- Xanthium, genus Xanthium - coarse herbs having small heads of greenish flowers followed by burrs with hooked bristles
--1 is a kind of asterid dicot genus
--1 is a member of
--1 has members: cocklebur, cockle-bur, cockleburr, cockle-burrCompositae, family Compositae, Asteraceae, family Asteraceae, aster family