Gunnera Tinctoria. Leaf. - Gunnera Tinctoria, The Chilean Rhubarb, Is A Plant Species Native To Southern Chile And Neighbour Zones In Argentina. It Is Essentially Unrelated To Rhubarb, As The Two Plants Belong Into Different Orders, But Looks Similar From A Distance And Has Similar Culinary Uses. It Is A Large-leaved Perennial Plant That Grows Up To Two Metres Tall. It Has Been Introduced To Many Parts Of The World As An Ornamental And Edible[citation Needed] Plant. In Some Countries (for Instance New Zealand And Ireland) It Has Spread From Gardens And Is Becoming A Weed Problem Photo