Rheum palmatum

Rheum palmatum is a species of flowering plant in the knotweed family Polygonaceae. It is commonly called Chinese rhubarb, ornamental rhubarb, Turkey rhubarb or East Indian rhubarb.

Rheum palmatum is a herbaceousperennial related to the edible rhubarb. It is primarily used in traditional medicine, and as an ornamental subject in the garden.