American Feverfew, Missouri Snake Root, Prarie Dock
Long-lived polycarpic perennial
Eastern North America
Indigenous people used a medicinal tea brewed with the leaves and flowers to lower fevers by inducing perspiration.
Source of plant
Seneca Hill Perennials, Ambergate Gardens, Prairie Moon Nursery
Perennial herb, 0.5-1m, simple or branched above. Leaves to 20x10cm, lanceolate-elliptic to broadly ovate, crenulate-serrate or sublyrate at base. Capitula to 10mm diameter, several, in a broad, flat-topped corymb. E US to Wisconsin & Arkansas.
USDA Hardiness Zone