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Lupinus arcticus S. Watson
USDA Symbol: luar2
A tufted perennial with erect stems to 24 in. tall. Numerous palmately compound, long-petioled leaves are bright green and smooth above, pubescent below. Dark blue, showy flowers occur in tall racemes.
Plant CharacteristicsDuration: Perennial Habit: Herb Flower:
Fruit: Size Class:
Bloom InformationBloom Color: Blue , Purple
, WA Canada: BC Native Distribution: AK
& Yukon, s. to WA
mts. Native Habitat:
Well-drained slopes; subalpine ridges & slopes
Growing ConditionsLight Requirement: Sun
Soil Description: Well-drained soils.
Conditions Comments: Not Available
BenefitUse Wildlife: Hummingbirds, Butterflies
Warning: POISONOUS PARTS: Seeds. Toxic only if eaten in large quantities. Symptoms include respiratory depression and slow heartbeat, sleepiness, convulsions. Toxic Principle: Alkaloids such as lupinine, anagyrine, sparteine, and hydroxylupanine. (Poisonous Plants of N.C.)
Conspicuous Flowers: yes
PropagationDescription: Propagate by seed or division. Fresh-sown seed need not be treated.
Seed Collection: Not Available
Seed Treatment: Stored seed will need an acid or hot water treatment.
Commercially Avail: yes
National Wetland Indicator Status
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