Origin:
On river banks, by the side of lakes, ponds. Native to Great Britain.

Action:
Cathartic and acrid. Used in dysmenorrhoea and leucorrhoea.
Juice of the root—used for obstinate coughs and convulsions.

Khare, C.P./ Indian Medicinal Plants. -- Nueva Dheli: Springer, 2007 . - p. 342.