Lupinus burkei S. Watson
Burke's lupine (bigleaf lupine; largeleaf lupine; Silvery Lupine; Two-coloured Lupine)
Fabaceae (Pea family)
Introduction to Vascular Plants
Burke's lupine (bigleaf lupine; largeleaf lupine; Silvery Lupine; Two-coloured Lupine)
Fabaceae (Pea family)
Introduction to Vascular Plants
Species Information
General:
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.
Leaves:
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.
Flowers:
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.
Fruits:
Pods, 3-5 cm long, densely woolly; seeds 4 to 8.
Illustration
If more than one illustration is available for a species (e.g., separate illustrations were provided for two subspecies) then links to the separate images will be provided below. Note that individual subspecies or varietal illustrations are not always available.
Illustration Source: The Illustrated Flora of British Columbia
Ecology
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)
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 |
||
|
Avg |
Min |
Max |
|
| Elevation
(metres) |
1213 | 550 | 1880 |
| Slope
Gradient (%) |
15 | 0 | 50 |
|
Aspect (degrees) |
179 | 90 | 345 |
| Soil
Moisture Regime (SMR) [0 - very xeric; 4 - mesic; 8 - hydric] |
3 | 1 | 7 |
| Modal
Nutrient Regime
Class |
B | ||
| #
of field plots species was recorded in: |
13 | ||
| Modal
BEC Zone Class |
IDF | ||
|
All BEC Zones (# of stations/zone) species was recorded in |
ESSF(3), ICH(2), IDF(6) | ||
|
Source:
Klinkenberg 2013
|
|||
Habitat and 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.Status Information
Synonyms
Synonyms and Alternate Names:
Lupinus burkei subsp. burkei S. Watson