- Mentzelia, genus Mentzelia - genus of bristly herbs or subshrubs of western America lacking stinging hairs
--1 is a kind of dilleniid dicot genus
--1 is a member of Loasaceae, family Loasaceae, loasa family
--1 has members:blazing star, Mentzelia livicaulis, Mentzelia laevicaulis; bartonia, Mentzelia lindleyi