E-Flora BC: Electronic Atlas of the Flora of British Columbia

Lupinus burkei S. Watson
Burke's lupine (bigleaf lupine; largeleaf lupine; Silvery Lupine; Two-coloured Lupine)
Fabaceae (Pea family)

Introduction to Vascular Plants

© Virginia Skilton  Email the photographer   (Photo ID #88113)

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Distribution of Lupinus burkei
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Species Information

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Perennial herb from a branched root-crown; stems several, erect, 45-60 (90) cm tall, unbranched, hollow-cylindrical near the base, glabrous to sparsely appressed-hairy.
Basal and alternate along the stem, palmately compound with 7 to 11 leaflets; leaflets oblanceolate, rounded but abruptly pointed at the tip, glabrous above, sparsely hairy below, 4-10 cm long, 12-20 mm wide.
Inflorescence a dense, terminal, stalked raceme 20 cm or more in length, of whorled pea-like flowers; corollas blue, about 10 mm long, the banner glabrous with a white to yellowish centre, the keel occasionally fringed with hairs along the upper edges; calyces 2-lipped, the upper lip 4-5 mm long, 2-toothed, the lower lip 5-7 mm long, entire.
Pods, 3-5 cm long, densely woolly; seeds 4 to 8.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Wet to moist streambanks and meadows in the steppe and montane zones; frequent in SC and SE BC, less frequent northward in E BC; S to ID, MT and CA.

Source: The Illustrated Flora of British Columbia


Ecological Framework for Lupinus burkei

The table below shows the species-specific information calculated from
original data (BEC database) provided by the BC Ministry of Forests and Range.
(Updated August, 2013)

Site Information
Value / Class




Elevation (metres) 550 1213 1880
Slope Gradient (%) 0 15 50
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
90 179 345
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
1 3 7
Modal Nutrient Regime
Number of field plots
 species was recorded in:
Modal BEC Zone Class
All BEC Zones (# of stations/zone) species was recorded in: ESSF(3), ICH(2), IDF(6)


The climate type for this species, as reported in the: "British Columbia plant species codes and selected attributes. Version 6 Database" (Meidinger et al. 2008), is not evaluated, unknown or variable.

Synonyms and Alternate Names

Lupinus burkei subsp. burkei S. Watson

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References