Liatris (/laɪˈætrɪs/[2]), commonly known as gayfeather[3] and blazing star[4][5] 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).

They are perennials, surviving the winter and resprouting underground corms.

Liatris is in the tribe Eupatorieae of the aster family.

Liatris is in the subtribe Liatrinae along with Trilisa, Carphephorus, and other genera.

[8][9] Liatris is closely related to Garberia, a genus with only one species endemic to Florida.