Flowering plant. This one is quite close to yellow dock (Rumex crispus) in action. Remember, the yellower the root the better the medicine. Perheniemi, Finland. Wild. 2000-07-05.Rumex longifolius DC. Engl.: northern dock. Deu.: Gemüse-Ampfer. Suom.: hevonhierakka. Sven.: gårdsskräppa, gårdssyra. Bot. syn.: Rumex domesticus Hartm.Personal use? Non-commercial use? Commercial use? Read the Fine Print. Comments? Tell me.