Lewisia pygmaea (A. Gray) B.L. Rob.
alpine lewisia
Montiaceae (Purslane family)
(Previously in Portulacaceae)
Introduction to Vascular Plants
alpine lewisia
Montiaceae (Purslane family)
(Previously in Portulacaceae)
Introduction to Vascular Plants
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SUBTAXA PRESENT IN BC
Lewisia pygmaea var. pygmaea
Species Information
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.
Ecology
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)
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) |
2060 | 2060 | 2060 |
| Slope
Gradient (%) |
7 | 7 | 7 |
|
Aspect (degrees) |
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
|
|||
Habitat and Range
Moist to mesic rocky slopes and sandy or gravelly meadows from the montane to alpine zones; infrequent in S BC; S to MT, NM, AZ and CA, disjunct in YT.Status Information
Synonyms
Synonyms and Alternate Names:
Lewisia minima (A. Nels.) A. Nels.
Lewisia pygmaea var. aridorum Bartlett
Lewisia sierrae Ferris
Oreobroma pygmaeum (A. Gray) Howell
Talinum pygmaeum A. Gray