Ambrosia psilostachya is a species of ragweed known by the common names Cuman ragweed and perennial ragweed, and western ragweed.
Ambrosia cumanensis; herb teas for yellow fever, constipation, menorrhagia. Herb juice for pleurisy. Root or herb infusions for colds, flu, fever, in postpartum depurants. Herb of second growth crushed leaves mixed with chicken fat and/or hot water, cool mixture rubbed on the body to reduce fever.
A weak leaf tea with salt was used to relieve menstrual pain (again taken for nine mornings.) It was also a “granny” medicine to “clean everything out” after childbirth. Tea from fresh plant less better than tea from dried plant. Ambrosia psilostachya, a bitter decoction taken to relieve fever.