Geranium bicknellii Britton
Bicknell's geranium (Bicknell's crane's-bill)
Geraniaceae (Geranium family)

Introduction to Vascular Plants

Photograph

© Jamie Fenneman     (Photo ID #29605)


Map

E-Flora BC Static Map

Distribution of Geranium bicknellii
Click here to view the full interactive map and legend

Species Information

General:
Annual to biennial herb from a taproot; stems decumbent to erect, much-branched, spreading-hairy, often glandular above, 5-60 cm tall.
Leaves:
Basal leaves few, reduced and soon deciduous; stem leaves opposite, triangular to rounded in outline, 2-7 cm wide, palmately divided into 5 segments, these cleft or toothed 1/2 their length, hairy.
Flowers:
Inflorescence of 2 flowers per stalk, the stalk axillary or terminal and 1.5 to 3 times the length of the sepals; petals pink, 4-8 mm long, notched at the tip; sepals equal to the petals, bristle-tipped, the tips 1-2 mm long; stamens 10, fertile, not fused.
Fruits:
Carpels, hairy, not wrinkled; styles 1.6-1.9 cm long, the beak 4-5 mm long; seeds oblong, net-veined and pitted.

SourceThe Illustrated Flora of British Columbia

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.

Ecology

Ecological Framework for Geranium bicknellii

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)
882 25 1639
Slope Gradient (%)
27 0 136

Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]

191 7 350
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
3 0 5
Modal Nutrient Regime
Class
C
# of field plots
 species was recorded in:
104
Modal BEC Zone Class
SBS

All BEC Zones (# of stations/zone) species was recorded in

BWBS(3), CDF(1), CWH(1), ESSF(1), ICH(2), IDF(7), MS(1), SBS(50), SWB(2)

Habitat and Range

Moist to mesic forest openings, recent burns and seepage areas in the lowland, steppe and montane zones; frequent in BC east of the Coast-Cascade Mountains, common on SE Vancouver Island and the Gulf Islands, infrequent in the lower Fraser Valley, absent elsewhere on the coast; N to AK, YT and NT, E to NF and S to IO, IN, CO, UT and N CA.

SourceThe Illustrated Flora of British Columbia

Synonyms

Synonyms and Alternate Names:
Geranium bicknellii var. longipes (S. Watson) Fernald
Geranium carolinianum var. longipes S. Watson
Geranium nemorale Suksd.
Geranium nemorale var. bicknellii (Britton) Fernald