Lupinus
lupine
20 species
24 subspecies and varieties
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Lupinus albicaulissicklekeel lupine
Distribution: Chiefly west of the Cascades in Washington; Washington south to California.
Habitat: Grasslands and prairies from the lowlands to moderate elevations.
Origin: Native
Flowers: May-July
Lupinus arboreustree lupine, yellow-bush lupine
Distribution: Occurring in the western Washington lowlands and along the Pacific coast; British Columbia south to California.
Habitat: Sandy soil.
Origin: Introduced
Flowers: May-September
Lupinus arbustussilvery lupine, spurred lupine
Distribution: East of the Cascades crest in Washington; British Columbia south to California, east to Montana and Utah.
Habitat: Sagebrush deserts and ponderosa pine forest openings.
Origin: Native
Flowers: May-July
Lupinus argenteussilvery lupine
Distribution: Chiefly east of the Cascades in Washington; British Columbia south to California, east to the Dakotas and New Mexico.
Habitat: Ponderosa pine forests to subalpine ridges.
Origin: Native
Flowers: May-July
var. argenteus – silvery lupine
Lupinus bicolorsmall-flower lupine, two-color lupine
Distribution: Chiefly west of the Cascades in Washington, but also in southeastern part of state; British Columbia south 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: In the Olympic and Cascade mountains of Washington; British Columbia south to California.
Habitat: Chiefly in forest openings at mid-elevation to subalpine meadows.
Origin: Native
Flowers: June-August
var. latifolius – broadleaf lupine, Suksdorf's lupine
var. subalpinus – broadleaf lupine
Lupinus lepidusprairie lupine
Distribution: Widely distributed throughout Washington; Alaska south to California, east to the Rocky Mountains.
Habitat: Open areas from low elevations to the alpine.
Origin: Native
Flowers: June-August
var. aridus – prairie lupine
var. cusickii – elegant lupine
var. lepidus – Pacific lupine
var. lobbii – elegant lupine
Lupinus leucophyllusvelvet lupine
Distribution: Occurring east of the Cascades crest in Washington; British Columbia south to California, east to Montana, Wyoming, and Colorado.
Habitat: Shrub-steppe and ponderosa pine forests.
Origin: Native
Flowers: June-August
var. leucophyllus – velvet lupine
var. tenuispicus – velvet lupine
Lupinus littoralisseashore lupine
Distribution: Coastal from British Columbia to California
Habitat: Near the shore along the coast
Origin: Native
Flowers: May - August
Lupinus microcarpuschick lupine
Distribution: Chiefly west of the Cascades in Washington, though also known from east of Cascades; British Columbia south to California.
Habitat: Coastal bluffs, grassy balds, and other dry, open areas at low elevations.
Origin: Native
Flowers: April-June
var. microcarpus – chick lupine
Lupinus nootkatensisNootka lupine
Origin: Native
Lupinus oreganusOregon lupine
Distribution: West of the Cascades in Washington; south to Willamette Valley in Oregon.
Habitat: Moist to dry areas of prairies and openings in oak woodlands.
Origin: Native
Flowers: April-June
var. kincaidii – Kincaid's lupine, sulphur lupine
Lupinus pachylobusbig-pod lupine
Origin: Native?
Lupinus polyphyllusbigleaf lupine, large-leaved lupine
Distribution: Widely distributed throughout Washington; British Columbia south to California, east to Colorado.
Habitat: Moist areas and stream banks, low to fairly high elevations.
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 south to California, east to the Rocky Mountains and Great Plains of Canada and the U.S.
Habitat: Shrub-steppe habitat, often where sandy.
Origin: Native
Flowers: May-June
var. intermontanus – low lupine, rusty lupine
Lupinus rivularisriver-bank lupine
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia south to California.
Habitat: Gravelly prairies, open woods and river banks at low elevations.
Origin: Native
Flowers: April-September
Lupinus sabinianusSabin's lupine
Distribution: Blue Mountains of southeast Washington; south to northeast Oregon.
Habitat: 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 south to California, east to Idaho and Nevada.
Habitat: Shrub-steppe habitat.
Origin: Native
Flowers: April-May
Lupinus sericeussilky lupine
Distribution: Occurring chiefly east of the Cascades crest in Washington; British Columbia south to Oregon, east to Alberta and south to Arizona.
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; British Columbia south to California.
Habitat: Shrub-steppe, grassland, and open ponderosa pine forests.
Origin: Native
Flowers: April-June
var. subsaccatus – Bingen lupine
var. sulphureus – sulphur lupine