What is black cohosh root powder? The herbaceous perennial plant known as Actaea racemosa is a member of the buttercup family. Black cohosh is a plant that is indigenous to the middle and eastern parts of North America. It prefers to thrive in forest environments that are shaded. Native Americans living across the spectrum of the plant were known to historically use the black cohosh root for its medicinal properties due to its wide variety of applications. Black cohosh root, which gets its name from the dark color and twisted appearance of its rhizome, is commonly prepared as a tea or an extract. Black cohosh root powder benefits: ◉ May support menopause. ◉ May support fertility. Buy it from the natural health food store - Alive Herbals.