Liatris cylindracea (known as barrelhead blazing star, cylindric or cylindrical blazing star, Ontario blazing star, or dwarf blazing star) is a plant species in the family Asteraceae. It is native to eastern North America, where its populations are concentrated in the Midwestern United States. It is found in habitats such as prairies, limestone and sandstone outcroppings, bluffs, barrens, glades, woodlands and dunes.