Photographs: Dromore NNR, Co. Clare

Water Dock Rumex hydrolapathum Copóg uisce Family: Polygonaceae Flowering July - September. Perennial. Native. Much-branched, erect inflorescence with crowded whorls of flowers. Inner tepals have short teeth at the base of long wart. Very large, pointed, lanceolate-oval leaves, to 100cm in length. Height to 200cm. Grows in shallow water in fens and ditches and beside lakes, ponds, canals and rivers. Can colonise bare ground in fens and marshes.

Water Dock, Rumex hydrolapathum, Copóg uisce