Trapa natans
Trapa natans
Trapa natans L.
Engl.: water chestnut, bull nut, European water chestnut, water nuts, waternut.
Deu.: Wassernuss.
Sven.: sjönöt.
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.