Description: A common perennial species with rather "spaced-out" leafy flower-spikes, and rather narrow oval leaves. Superficially very similar to the wood dock (Rumex sanguineus) from which it is distinguished by having three swollen warts on the fruit (one wart only in R. sanguineus).

In damp or marshy ground, sides of drains, edges of lakes and ponds etc. Generally in much wetter situations than R. sanguineus.

All names: Rumex conglomeratus Murray; Rumex glomeratus Schreb.

Distribution Map from NBN: Rumex conglomeratus at National Biodiversity Network mapping facility, data for UK.

iNaturalist: Rumex conglomeratus at iNaturalist World Species Observations database.