Lewisia columbiana (Howell ex A. Gray) B.L. Rob. var. columbiana
Columbia lewisia
Montiaceae (Purslane family)
(Previously in Portulacaceae)

Introduction to Vascular Plants

Photograph

© Virginia Skilton     (Photo ID #10702)


Map

E-Flora BC Static Map

Distribution of Lewisia columbiana var. columbiana
Click here to view the full interactive map and legend

Species Information

General:
Perennial herb from a large, branched, fleshy root and simple stem-base; stems erect, several, branched, 10-30 cm tall.
Leaves:
Basal leaves numerous, linear-oblanceolate to narrowly spoon-shaped, 2-10 cm long, 3-8 mm wide; stem leaves alternate, bractlike, entire to gland-toothed, 2-3 cm long, reduced above.
Flowers:
Inflorescence an open, branched, panicle with many flowers on stalks 1-2 cm long; floral bracts glandular-toothed, petals 7-9 (rarely 11), white with pink veins to rose, egg-shaped, 5-13 mm long; sepals 2, glandular-toothed; stamens 5-6.
Fruits:
Capsules, egg-shaped; seeds usually 3 (1-5), deep brown-red to black, shiny, 1.5-2 mm long.

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 Lewisia columbiana var. columbiana

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)
1255 1255 1255
Slope Gradient (%)
60 60 60

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

49 50 50
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
1 1 1
Modal Nutrient Regime
Class
B
# of field plots
 species was recorded in:
1
Modal BEC Zone Class
MS

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

MS(1)

Habitat and Range

Mesic to dry gravelly or rocky slopes and rock outcrops from the montane to alpine zones; infrequent on S Vancouver Island and the Cascade Mountains; S to OR.

SourceThe Illustrated Flora of British Columbia