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Bistorta officinalis · paprastoji gyvatžolė

Bistorta major, Persicaria bistorta, Polygonum bistorta EN · common bistort, European bistort, meadow bistort, snakeroot DE · Schlangen-Knöterich, Wiesen-Knöterich LT · paprastoji gyvatžolė LV · zalkšu sūrene PL · rdest wężownik

Bistort has been cultivated as a vegetable, its roots, leaves and young shoots being steamed or boiled.