Reynoutria multiflora

Pleuropterus multiflorus is a species of flowering plant in the buckwheat family Polygonaceae native to central and southern China, Hainan, Taiwan, Vietnam, and Thailand. It is known by the English common names tuber fleeceflower and Chinese (climbing) knotweed. It is known as he shou wu (何首烏) in China and East Asia. Another name for the species is fo-ti, which is a misnomer.

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