Genus
Bistorta (Bistorts)
Bistorta bistortoides. Photo: (c) Susan, some rights reserved (CC BY-NC)
Bistorta is a genus of flowering plants in the Polygonaceae family. As of February 2019 about 40 species are accepted. It has been supported as a separate clade by molecular phylogenetic analysis. Bistorta species are native throughout much of the Northern Hemisphere, as far south as Mexico in North America and Thailand in Asia.
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