This video from the USA says about itself:
25 August 2016
Blue Cohosh is a beautiful plant when the berries turn ripe in late summer. This was a large patch in the Great Smoky Mountains that covered a hillside. Noted for its medicinal properties its roots are used to make various mixtures. “Cohosh” is from the Algonquin Indian word meaning “rough,” and it refers to the appearance of the roots. The root is used to make medicine.