Caulophyllum thalictroides (L.) Michx. Blue Cohosh.
Zhu-nakada-tanga-makaⁿ (Omaha-Ponca), “great fever medicine” (zhu, flesh; nakada, hot; tanga, great; makaⁿ, medicine). Zhu-nakada, literally “hot flesh,” is the Omaha word for “fever.”
A decoction of the root was given for fevers. This was considered the most effectual febrifuge known to the Omaha.