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Loughmiller, Campbell and Lynn
Polygonum bistortoides Pursh
American bistort, Western Bistort
Synonym(s): Bistorta bistortoides, Persicaria bistortoides, Polygonum bistortoides var. linearifolium, Polygonum bistortoides var. oblongifolium, Polygonum cephalophorum, Polygonum glastifolium, Polygonum vulcanicum
USDA Symbol: POBI6
USDA Native Status: L48 (N), CAN (N)
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.
Plant CharacteristicsDuration: Perennial Habit: Herb Leaf:
Bloom InformationBloom Color: White
Bloom Time: May , Jun , Jul , Aug
, 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)
is a larval host and/or nectar source for:
National Wetland Indicator Status
|Status:|| FACW || OBL || FACW |
This information is derived from the U.S. Army Corps of Engineers National Wetland Plant List, Version 3.1
(Lichvar, R.W. 2013. The National Wetland Plant List: 2013 wetland ratings. Phytoneuron 2013-49: 1-241). Click here
for map of regions.
Record Last Modified: 2007-01-01
Research By: TWC Staff