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

Lewisia pygmaea (A. Gray) B.L. Rob.
alpine lewisia
Montiaceae (Purslane family)
(Previously in Portulacaceae)

Introduction to Vascular Plants

General:
Perennial herb from a thick, branched or simple taproot and thick stem-base; stems ascending to erect, solitary to several, simple, 1.5-6 cm tall.

Leaves:
Basal leaves few to many, linear to lanceolate, 2-6 cm long, 1-3 mm wide; stem leaves opposite, bract-like, borne at or below midlength.

Flowers:
Inflorescence of solitary flowers on stalks 1-8 cm long; floral bracts lacking; petals 6-9, white to pink, egg-shaped to oblong, 6-17 mm long, usually glandular-bristly; sepals 2, 2-5 mm long, jagged or toothed; stamens 4-12.

Fruits:
Capsules, 3-6 mm long; seeds 15 or more, dark brown, shiny, 1-1.2 mm long.

Source: The Illustrated Flora of British Columbia

Ecological Framework for Lewisia pygmaea

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
Site Information	Avg	Min	Max
Elevation (metres)	2060	2060	2060
Slope Gradient (%)	7	7	7
Aspect (degrees) [0 - N; 90 - E; 180 - S; 270 - W]	95	96	96
Soil Moisture Regime (SMR) [0 - very xeric; 4 - mesic; 8 - hydric]	5	5	5
Modal Nutrient Regime Class	E
# of field plots species was recorded in:	1
Modal BEC Zone Class	ESSF
All BEC Zones (# of stations/zone) species was recorded in	ESSF(1)
Source: Klinkenberg 2013

Origin Status	Provincial Status	BC List (Red Blue List)	COSEWIC
Native	S4S5	Yellow	Not Listed

BC Ministry of Environment: BC Species and Ecosystems Explorer.

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