hydrastis

noun

hy·​dras·​tis hī-ˈdras-təs 

1

capitalized : a genus of herbs (family Ranunculaceae) having palmately lobed leaves and small greenish flowers and including the goldenseal (H. canadensis)

2

: the dried rhizome and roots of the goldenseal formerly used in pharmacy as a bitter tonic, hemostatic, and antiseptic

called also goldenseal