Family: Polygonaceae Water Dock Rumex hydrolapathum Flowering time: July-September. Perennial. Native Grows in shallow water in fens and ditches and beside lakes, ponds, canals and rivers. Colonises damp, bare ground in fens and marshes. Most frequent in S, E and central England. Branched, upright spikes (to 200 cm high) with crowded whorls of flowers, the inner tepals with short teeth at the base of long warts. The large, pointed, lanceolate-oval leaves can reach 100cm in length.

   




Water Dock, Rumex hydrolapathum
Studland, Dorset. September 2012