Rheum (plant)
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Rheum is a genus of about 60 herbaceous perennial plants in the family Polygonaceae. Species are native to eastern Europe, southern and eastern temperate Asia, with a few reaching into northern tropic
Rheum ribes (left) growing in Iran
Seeds
Rheum nanum is the sole species in Losinskaja's section Acaulia
Rheum palmatum
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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
Loosely branched clusters of matured red flowers found on the lobed-leafed Chinese rhubarb.
Habit of Rheum palmatum