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Any of several plants of the family Polygonaceae, especially the Eurasian perennial herb Persicaria bistorta (syn. Polygonum bistorta), having spikes of usually pink flowers and twisted roots used as an astringent in folk medicine.

[French bistorte, from Old French, from Medieval Latin *bistorta : Latin bis, twice; see bis + torta, past participle of torquēre, to twist; see torque1.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


1. (Plants) Also called: snakeroot, snakeweed or 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. (Plants) Also called: snakeroot a related plant, Polygonum bistortoides, of W North America, with oval clusters of pink or white flowers
3. (Plants) any of several other plants of the genus Polygonum
[C16: from French bistorte, from Latin bis twice + tortus from torquēre to twist]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈbɪs tɔrt)

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.
[1570–80; < Medieval Latin bistorta twice twisted. See bis, tort]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
References in periodicals archive ?
They include English bluebells, oxlip, bistort, cuckoopint, and Madonna lily.
In MNP, grey goral was recorded in moist temperate coniferous forests that included plant species such as Pinus wallichiana (Blue pine), Abies pindrow (Fir), Picea smithiana (Indian Spruce), Cedrus deodara (Himalayan cedar), and Quercus floribunda (Oak); shrubs Viburnum nervosum (Viburnum), Indigofera heterantha (Indigo Bush), Berberis aristata (Indian Barberry), Betula utilis (Himalayan birch), Juniperus communis (common juniper), and the herbs Bergenia stracheyi (Rockfoil), Impatiens edgeworthii (Himalayan balsam), Rumex nepalensis (Nepal Dock), Polygonum amplexicaule (Bistort) and Artimisia spp.
An aqueous extract from the roots of meadow bistort (Polygonum bistorta), Perlaura stimulates the expression of the fibrous protein perlecan and its receptor dystroglycan, which contribute to skin homeostasis in the epithelial and endothelial basement membranes.
Rhywogaethau eraill sy'n cael eu gwarchod yma ydi'r tormaen siobynnog (Saxifraga cespitosa; tufted saxifrage), canwraidd y mynydd (Polygonum vivipara;Alpine bistort) a'r rhedynen gelyn (Polystichum lonchitis; holly fern).
Beauty Ingredients: Shadownyl, organically grown algae; Perlaura, derived from Meadow Bistort; Lipofructyl argan, organic argan oil; DN-Age PW, extract from the Cassia Alata tree; Sqisandryl, derived from Schisandra berries
Walker The 10 West; Rebecca Dame 9 Bistort; 8 Denmark; 7 Saturdays; The 6 Pisces; 5 Indigo; 4 Aldermaston; 3 Darwin; 2 jump; Long 1 ANSWERS:
Shukla, "Protective effects of Polygonum bistort (Linn.) and its active principle against acetaminophen-induced toxicity in rats," Asian Journal of Experimental Biological Sciences, vol.
Tangshen (Codonopsis pilosula), Huangqi (Astragalus mongholicus), Gouqizi (medlar), Heshouwu (Polygonum multiflorum), Quanshen (bistort root), and Tengligen (Chinese Actinidia root) were purchased from Beijing Tongrentang Co.
SCOTTISH DOCK PUDDING Take a colander full of bistort leaves and several leaves of comfrey, ladies' mantle, nettle tops and ramsons or dandelion.
Meadows abound with sainfoin, yellow rattles, rampions, orchids, campions, clovers, pink Bistort, Viper's Bugloss, Ox-eye Daisy, bellflowers and even Orange lilies.