Rumex palustris, or marsh dock, is a plant species of the genus Rumex, found in Europe. The species is a dicot belonging to the family Polygonaceae. The species epithet palustris is Latin for "of the marsh" which indicates its common habitat
Rumex palustris is an herb that can be perennial, biennial, or annual. The stem is upwardly inclined and bears sparse hairy protuberances.The stem is less than one meter tall.The branch attachment is alternate. The basal leaves are lanceolate; they are broader in the middle and taper to a pointed end. The cauline leaves are also lanceolate. The inflorescence consists of whorls with reddish-brown flowers. The root is wider at the middle and tapers towards the end.
This plant is useful.