|Scientific Name||Lupinus prunophilus (Lupinus polyphyllus var. prunophilus)||USDA Plants Symbol||LUPR2|
|Common Name||Big-leaf Lupine||ITIS Taxonomic Serial No.||26097|
Life zones and habitat: Foothills to montane (6000 to 10000 ft); dry soils in grasslands, sagebrush meadows, and roadsides.
Plant: Bushy, erect perennial to 40 inches tall, sometimes taller; multiple stems often with very small hairs.
Leaves: Palmately-divided leaves on long petioles with 8 to 12 large, usually flat, broadly to narrowly oblanceolate leaflets; upper surface usually hairless; thinly hairy edges and lower surface.
Inflorescence: Many pea-like blossoms arranged in a raceme 5 to 12 inches long atop each stem and extending well above leaves; flowers pale to dark blue to violet or bicolored, banner with a white spot.
Bloom Period: May to July.
Fruit: Seed pod 1 to 1-5/8 inches long and very hairy.
References: L. prunophilus in SW Colorado Wildflowers and L. polyphyllus var. prunophilus in "Flora of Colorado" by Jennifer Ackerfield.
|BONAP Distribution Map
© Tom Lebsack 2022
Banner photo: Ten Mile Range and Rhodiola integrifolia (King’s Crown) in Summit County