Liatris aspera
Encyclopedia
Liatris aspera also known as the lacerate, rough, tall or prairie blazing star is a wildflower
Wildflower
A wildflower is a flower that grows wild, meaning it was not intentionally seeded or planted. Yet "wildflower" meadows of a few mixed species are sold in seed packets. The term "wildflower" has been made vague by commercial seedsmen who are interested in selling more flowers or seeds more...

 that is found the mid to eastern United States
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...

in habitats that range from mesic to dry prairie and dry savanna.

It grows to two to four feet. The flowers are an erect spike with numerous, purple, button-like, stalkless flower heads blooming from the top down. Leaves are alternate, numerous, rough, and narrow along the entire stem. It flowers from mid-August through September, with seed becoming ripe in October to November. One of the many plants and animals Meriwether Lewis and William Clark discovered on their journey to get to the Pacific Ocean.
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