Polygonum punctatum
Polygonum punctatum
Polygonum punctatum Ell.
Engl.: dotted smartweed, water smartweed.
Bot. syn.: Persicaria punctata (Ell.) Small, Polygonum acre Kunth.
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.