Polygonum newberryi - image Polygonum aviculare - image Polygonum newberryi - image Polygonum fagopyrum - Information from Botanical.com, a modern herbal, on this plant, its description, cultivation, constituents, medicinal action and uses. Polygonum oxyspermum - Information on this species of sandy shores with three photographs. Polygonum aviculare - Photograph and information on this species. Polygonum multiflorum: Fo-Ti, He-shou-wu - Photograph and information on this plant, sometimes called the Elixir of Life, how to grow it and its standard and medicinal uses.