Rheum officinale, the Chinese rhubarb, or Indian rhubarb is a rhubarb from the family Polygonaceae native to China. In Chinese it is called yào yòng dà huáng (Chinese: 药用大黄), literally meaning medicinal rhubarb.
A perennial typically to 2m in height.
R. officinale has a chromosome count of 2n=44.
This species is endemic to southeast China, where it occurs in the provinces of Guizhou, southwestern Henan, western Hubei, Shaanxi, Sichuan, Yunnan and possibly Fujian.
Leaf petiole said to be edible raw ...
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