Liatris gracilis

Liatris gracilis, the slender blazing-star or slender gayfeather, is a species of flowering plant in the family Asteraceae. A perennial reaching 40 in but often considerably shorter, it is native to the southeastern US states of Alabama, Florida, Georgia, Mississippi, and South Carolina.

Subtaxa
The following varieties are accepted:
 * Liatris gracilis var. gholsonii (L.C.Anderson) D.B.Ward – Florida
 * Liatris gracilis var. gracilis – entire range