Botanical Name – Rheum palmatum
Chinese Name – DA HUANG
English Name – Turkey Rhubarb
Rheum palmatum is a species of flowering plant in the knotweed family Polygonaceae. It is commonly called Chinese rhubarb, ornamental rhubarb, Turkish rhubarb, Turkey rhubarb, Indian rhubarb, Russian rhubarb or rhubarb root (and within Chinese herbal medicine da-huang).
Rheum palmatum is a herbaceous perennial closely related to, and resembling, the edible rhubarb. It is primarily used in traditional medicine, and as an ornamental subject in the garden.
Though native in the regions of western China, northern Tibet, and the Mongolian Plateau, Chinese Rhubarb was widely used in other parts of the world.