Chinese rhubarb
Rheum officinale Baill.

Rheum officinale, known as Chinese rhubarb, is a species in the Polygonaceae family. It is native to western China and Tibet. The plant is also referred to as medicinal rhubarb in Chinese, where it is called yào yòng dà huáng. It was first described in 1872 by Baill.
Description
Rheum officinale is a member of the buckwheat family, Polygonaceae, and is commonly known as Chinese rhubarb. It is indigenous to regions including western China and Tibet. The plant has a documented history of use and was formally published in 1872 by Baill. It is found in several regions across Europe, Asia, and parts of the Americas. In Chinese, it is referred to as yào yòng dà huáng, which translates to medicinal rhubarb, indicating its traditional use in medicine.
Other common names
Tibetan rhubarbChinese rhubarb
Distribution
IT · SE · CZ · Antioquia · LA · China North-Central · China South-Central · China Southeast · Czechoslovakia · Great Britain · Laos · Vietnam