This is Liatris spicata commonly called Blazing Star, Gay Feather, or Colic Root. I came across this Perennial Beauty yesterday. It is a wonderful addition to the fall garden of any well respected Hobbit. It is a good companion of Corepsis Moonbeam or even Golden Rod (Solidago). The name Colic Root tells us what ancient lore used it for. It blooms from the top down as it sways in the wind. It's a great native. Click on the photo to get a better view.