See under bistort(def 2).
Also called snakeweed. a European plant, Polygonum bistorta, of the buckwheat family, having a twisted root, which is sometimes used as an astringent.
any of several related plants, as P. viviparum (alpine bistort).
Origin of bistort
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Also called: snakeroot, snakeweed, Easter-ledges a Eurasian polygonaceous plant, Polygonum bistorta, having leaf stipules fused to form a tube around the stem and a spike of small pink flowers
Also called: snakeroot a related plant, Polygonum bistortoides, of W North America, with oval clusters of pink or white flowers
any of several other plants of the genus Polygonum
Word Origin for bistort
C16: from French bistorte, from Latin bis twice + tortus from torquēre to twist
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012