Lupinus
lupine
20 species
23 subspecies and varieties
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Lupinus albicaulissicklekeel lupine
Distribution: Occurring west of the Cascades crest in Washington; Washington to California, and in western Nevada.
Habitat: Lowland prairies, grasslands, meadows, and open areas.
Origin: Native
Flowers: May-July
Lupinus arboreustree lupine, yellow bush lupine
Distribution: Occurring west of the Cascades crest in Washington in the lowlands and along the Pacific coast; British Columbia to California.
Habitat: Sandy soil at low elevations, often where disturbed.
Origin: Introduced from California, where native
Flowers: May-September
Lupinus arbustuslongspur lupine, spurred lupine
Distribution: Occurring east of the Cascades crest in Washington; British Columbia to California, east to Montana and Utah.
Habitat: Sagebrush deserts and ponderosa pine forest openings.
Origin: Native
Flowers: May-July
Lupinus argenteussilvery lupine
Distribution: Occurring east of the Cascades crest in Washington; British Columbia to California, east to the Rocky Mountains and Great Plains.
Habitat: Sagebrush plains, and ponderosa pine forests to subalpine ridges.
Origin: Native
Flowers: May-July
var. argenteus – silvery lupine
Lupinus bicolorfield lupine, small-flowered lupine, two-color lupine
Distribution: Occurring chiefly west of the Cascades crest in Washington, but also in the southeastern part of state; British Columbia to California, east to Arizona.
Habitat: Open meadows, grasslands, prairies, and sandy riverbanks at low to moderate elevations.
Origin: Native
Flowers: April-July
Lupinus latifoliusbroadleaf lupine
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California.
Habitat: Lowland prairies to subalpine meadows and alpine ridges.
Origin: Native
Flowers: June-August
var. latifolius – broadleaf lupine
var. subalpinus – broadleaf lupine
Lupinus lepidusprairie lupine
Distribution: Widely distributed on both sides of the Cascades crest in Washington; Alaska to California, east to the Rocky Mountains.
Habitat: Open areas from lowland prairies and sagebrush flats to alpine ridges.
Origin: Native
Flowers: June-August
var. aridus – prairie lupine
var. lepidus – Pacific lupine
var. lobbii – elegant lupine
var. utahensis – prairie lupine
Lupinus leucophyllusvelvet lupine
Distribution: Occurring east of the Cascades crest in Washington; British Columbia to California, east to Montana, Wyoming, and Utah.
Habitat: Sagebrush plains, grasslands, and ponderosa pine forest openings.
Origin: Native
Flowers: June-August
var. leucophyllus – velvet lupine
var. tenuispicus – velvet lupine
Lupinus littoralisseashore lupine
Distribution: Occurring in the coastal counties in Washington; along the immediate coast from British Columbia to California.
Habitat: Immediate coastline in dunes and on beaches.
Origin: Native
Flowers: May-August
var. littoralis – seashore lupine
Lupinus microcarpuschick lupine
Distribution: Occurring chiefly west of the Cascades in Washington; British Columbia to California.
Habitat: Coastal bluffs, grassy balds, and other dry to moist, open areas at low elevations.
Origin: Native
Flowers: April-June
var. microcarpus – chick lupine
Lupinus nootkatensisNootka lupine
Distribution: Reported from northwest area of Washington; Alaska and Yukon Territory to Vancouver Island, British Columbia.
Habitat: Mesic meadows, stream banks, thickets, and forest openings.
Origin: Introduced from British Columbia
Flowers: May-June
Lupinus oreganusKincaid's lupine, Oregon lupine
Distribution: Occurring west of the Cascades crest in southwestern Washington; southwestern Washington to the Willamette Valley in Oregon, also known historically from Vancouver Island.
Habitat: Moist to dry areas of prairies and openings in oak woodlands.
Origin: Native
Flowers: April-June
var. kincaidii – Kincaid's lupine, Oregon lupine
Lupinus pachylobusbig-pod lupine
Distribution: Occurring in San Juan County in Washington; disjunct in the Gulf Islands of Canada and San Juan Islands of Washington, otherwise in California.
Habitat: Rocky balds and dry slopes
Origin: Native?
Flowers: April-June
Lupinus polyphyllusbigleaf lupine, large-leaved lupine
Distribution: Widely distributed throughout Washington; British Columbia to California, east to Colorado.
Habitat: Moist areas and stream banks, lowlands to subalpine and alpine areas.
Origin: Native
Flowers: June-September
var. burkei – large-leaved lupine, many-leaved lupine
var. humicola – Wyeth's lupine
var. pallidipes – large-leaved lupine
var. polyphyllus – large-leaved lupine
var. prunophilus – large-leaved lupine
Lupinus pusilluslow lupine, rusty lupine
Distribution: Occurring east of the Cascades crest in south-central Washington; Washington to California, east to the Rocky Mountains and Great Plains.
Habitat: Sagebrush desert, often where sandy.
Origin: Native
Flowers: May-June
var. intermontanus – low lupine, rusty lupine
Lupinus rivularisriver bank lupine, stream bank lupine
Distribution: Occurring west of the Cascades crest in Washington; British Columbia to California.
Habitat: Gravelly prairies, open woods and riverbanks at low elevations.
Origin: Native
Flowers: April-September
Lupinus sabinianusSabin's lupine
Distribution: Occurring in the Blue Mountains of southeastern Washington; southeastern Washington to adjacent northeastern Oregon.
Habitat: Ponderosa pine forest openings and grasslands at low to moderate elevations.
Origin: Native
Flowers: May-June
Lupinus saxosusrock lupine
Distribution: Occurring east of the Cascades crest in Washington; Washington to California, east to Idaho and Nevada.
Habitat: Mostly on basaltic rimrock in sagebrush desert or pine woodland.
Origin: Native
Flowers: April-May
Lupinus sericeussilky lupine
Distribution: Occurring east of the Cascades crest in Washington; British Columbia to Oregon, east to Alberta and Rocky Mountains.
Habitat: Sagebrush deserts to forest openings at moderate elevations.
Origin: Native
Flowers: May-August
var. asotinensis – Asotin silk lupine
var. sericeus – silky lupine
Lupinus sulphureussulfur lupine
Distribution: Occurring east of the Cascades crest in Washington; southern British Columbia to central Oregon, possibly east to adjacent Idaho.
Habitat: Shrub-steppe, grassland, and open ponderosa pine forests.
Origin: Native
Flowers: April-June
var. sulphureus – sulphur lupine