Silphium integrifolium
Silphium integrifolium
Click here for photos of Silphium integrifolium.
Silphium integrifolium Michx.
Engl.: wholeleaf rosinweed.
Bot. syn.: Silphium laevigatum Pursh.
A herbal distance course
Henriette's herbal is one of the oldest and largest herbal medicine sites on the net. It's been online since 1995, and is run by Henriette Kress, a herbalist in Helsinki, Finland.