Liatris

thumb|right|Liatris ligulistylis with [[goldenrod soldier beetles (Chauliognathus pennsylvanicus) on it]]

Liatris (), commonly known as gayfeather and blazing star is a genus of flowering plants in the tribe Eupatorieae within the family Asteraceae native to North America (Canada, United States, Mexico and the Bahamas). Some species are used as ornamental plants, sometimes in flower bouquets. They are perennials, surviving the winter and resprouting from underground corms.