alpine bistort

noun

1. See under bistort(def 2).

noun

1. Also called snakeweed. a European plant, Polygonum bistorta, of the buckwheat family, having a twisted root, which is sometimes used as an astringent.
2. any of several related plants, as P. viviparum (alpine bistort).

noun

1. 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
2. Also called: snakeroot a related plant, Polygonum bistortoides, of W North America, with oval clusters of pink or white flowers
3. any of several other plants of the genus Polygonum