Photo: Bistorta major 02.

Gallery: 
Bistorta major
Photo: Bistorta major 2.

Closeup of flower. Helsinki, Finland. Planted. 2001-06-15.

Bistorta major Gray
Engl.: common bistort, adderwort, bistort, dragonwort, easter giants, easter mangiants, easter-ledge, easter-mangiant, meadow bistort, oderwort, osterick, passion dock, patience dock, snakeweed, twice writhen.
Deu.: Wiesenknöterich, Schlangen-Knöterich, Wiesen-Knöterich.
Suom.: konnantatar.
Sven.: stor ormrot, ormrot.
TCM: quan shen.
Bot. syn.: Persicaria bistorta (L.) Samp., Polygonum bistorta L.

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