Prairie Blazing Star (Liatris pycnostachya)
Meriwether Lewis collected the Prairie Blazing Star, also known as Kansas Gayfeather, near Chamberlain in Brule County South Dakota on September 15th, 1804.
In the wild Liatris, which are members of the Aster family, occur mainly in prairie or open woodland, on dry, stony ground in Eastern and Central United States. The flowers open from the top of the inflorescence downward and are attractive to bees and butterflies and good for cutting.
For more information & the possible availability for purchase