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

Lupinus polycarpus Greene
small-flowered lupine (smallflower lupine)
Fabaceae (Pea family)

Introduction to Vascular Plants

© Jamie Fenneman  Email the photographer   (Photo ID #20667)

E-Flora BC Static Map
Distribution of Lupinus polycarpus
Click here to view the full interactive map and legend
Details about map content are available here
Click on the map dots to view record details.

Species Information

Click on the image below to view an expanded illustration for this species.



General:
Annual herb from a taproot; stems erect or nearly so, 15-45 cm tall, branched mostly at the base, sparsely appressed-hairy.
Leaves:
Alternate, palmately compound; leaflets 5 to 7, linear-oblong to narrowly elliptic, 1-4 cm long, upper surface glabrous and green.
Flowers:
Inflorescence a terminal raceme, 1-7 cm long, of relatively few, more or less whorled pea-like flowers, the racemes raised above the leaves on stalks; corollas blue, 5-7 mm long, the banner heart-shaped, glabrous, about as long as the glabrous wings and the keel, which is usually fringed with hairs on the upper edges; calyces about equally 2-lipped, the upper lip 2-lobed, the lower lip entire or 3-toothed.
Fruits:
Pods, up to 3 cm long, somewhat appressed-hairy or becoming glabrous; seeds 4 to 8, grey to brown with dark stippling or mottling.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Dry sandy or gravelly, grassy meadows and clearings in the lowland zone; locally frequent on SE Vancouver Island and the Gulf Islands, rare in Greater Vancouver; S to CA.

Source: The Illustrated Flora of British Columbia

Ecology

Ecological Framework for Lupinus polycarpus

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

Minimum

Average

Maximum

Elevation (metres) 290 1049 1790
Slope Gradient (%) 0 8 25
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
85 299 324
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
0 3 6
Modal Nutrient Regime
Class
D
Number of field plots
 species was recorded in:
9
Modal BEC Zone Class
CWH
All BEC Zones (# of stations/zone) species was recorded in: CWH(3), ESSF(2), IDF(1), SBS(1)

Climate

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 cool mesothermal.

Synonyms and Alternate Names

Lupinus micranthus Douglas, non Guss.

Taxonomic and Nomenclatural Links

Additional Photo Sources

Related Databases

General References