Gomphocarpus crispus (Berg.) R. Br. ex Schult. Bot. syn.: Asclepias crispa Berg.
Classic texts: Journals: TNEMA 1882-1883.
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.