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

Lewisia rediviva Pursh
bitterroot (bitter root)
Montiaceae (Purslane family)
(Previously in Portulacaceae)

Introduction to Vascular Plants

© Ian Gardiner  Email the photographer   (Photo ID #24193)

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

Lewisia rediviva var. rediviva

Species Information

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

Perennial herb from a thick branched taproot and a short, simple or branched stem-base; stems spreading to erect, few, simple, 1-3 cm tall.
Basal leaves numerous, 1.5-5 cm long, linear to club-shaped, round in cross section, with a wide, transparent base, beginning to wither and dry by flowering time; stem leaves lacking.
Inflorescence of solitary flowers on stalks 0.5-1.5 cm long; floral bracts 5-6, whorled, linear, 0.5-1 cm long, chaffy; petals 12-18, white to deep pink, narrowly oblong, 1.8-3.5 cm long; sepals (4) 5-9, unequal, 10-25 mm long, stamens 30-50.
Capsules; seeds 6-20, rounded, dark brown, shiny, 2 mm long.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Dry grasslands, shrublands and open forests in the steppe and lower montane zones; locally frequent in SC BC, rare in SE BC; S to MT, CO, AZ and CA.

Source: The Illustrated Flora of British Columbia


Ecological Framework for Lewisia rediviva

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) 332 671 1822
Slope Gradient (%) 0 17 80
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
5 193 330
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
0 2 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: BG(45), ESSF(1), IDF(11), MS(2), PP(40)


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.

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References