Polygonum bistortoides Pursh
American bistort, Western Bistort
Polygonaceae (Buckwheat Family)
Synonym(s): Bistorta bistortoides, Persicaria bistortoides, Polygonum bistortoides var. linearifolium, Polygonum bistortoides var. oblongifolium, Polygonum cephalophorum, Polygonum glastifolium, Polygonum vulcanicum
USDA Symbol: pobi6
At tops of slender, erect, reddish stems bloom dense white or pale pink flower clusters.
One of the most common mountain wildflowers, sometimes covering meadows with thousands of clusters of white flowers. The stout roots were once prepared by Native Americans for food. Young leaves may be cooked as greens.
From the Image Gallery
Bloom InformationBloom Color: White
Bloom Time: May , Jun , Jul , Aug
DistributionUSA: AZ , CA , CO , ID , MT , NM , NV , OR , UT , WA , WY
Canada: AB , BC
Native Distribution: Western Canada southward to southern California, Arizona, and New Mexico.
Native Habitat: Moist mountain meadows or along mountain streams.
Growing ConditionsWater Use: High
Light Requirement: Sun
CaCO3 Tolerance: Low
BenefitConspicuous Flowers: yes
Butterflies and Moths of North America (BAMONA)Polygonum bistortoides is a larval host and/or nectar source for:
Mountain Fritillary |
Larval HostLearn more at BAMONA
Find Seed or Plants
View propagation protocol from Native Plants Network.
BibliographyBibref 1186 - Field Guide to Moths of Eastern North America (2005) Covell, C.V., Jr.
Bibref 1185 - Field Guide to Western Butterflies (Peterson Field Guides) (1999) Opler, P.A. and A.B. Wright
Search More Titles in Bibliography
From the ArchiveWildflower Newsletter 1995 VOL. 12, NO.5 - Water Recycling Utilizing Architecture at the Wildflower Center, Education Direc...
Recommended Species Lists
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Additional resourcesUSDA: Find Polygonum bistortoides in USDA Plants
FNA: Find Polygonum bistortoides in the Flora of North America (if available)
Google: Search Google for Polygonum bistortoides
MetadataRecord Modified: 2007-01-01
Research By: TWC Staff