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

Saxifraga oppositifolia L.
purple mountain saxifrage
Saxifragaceae (Saxifrage family)

Introduction to Vascular Plants

© Jim Riley  Email the photographer   (Photo ID #12756)

E-Flora BC Static Map
Distribution of Saxifraga oppositifolia
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Species Information

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General:
Caespitose, perennial herb forming thick cushions to 20 cm across and 2-7 cm tall; flowering stems 1-5 cm tall; plants generally smooth but bristle-fringed on leaves and calyces.
Leaves:
Basal leaves lacking, stem leaves opposite, persistent, oblong- to egg-shaped, 1-5 mm long, fringed, unstalked, overlapping on non-flowering shoots.
Flowers:
Inflorescence of single flowers, at ends of leafy branches; petals bright pink-purple to blue-purple, or rarely white, spoon-egg-shaped to egg-shaped-oblong, 6-9 mm long, 5- to 7-veined; calyces cup-shaped, lobed for 3/4 or more of length, free hypanthium absent, the lobes oblong-oval, 2-3.5 mm long, fleshy, coarsely fringed, erect or slightly spreading; stamens 10.
Fruits:
Capsules, 6-9 mm long; seeds light brown, about 0.6 mm long, lightly veined.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Moist to mesic meadows fellfields, slopes and rock outcrops in the upper subalpine and alpine zones; frequent throughout BC; circumpolar, N to AK, YT and NT, E to NF and S to NH, VT, WY, ID and OR; Iceland; N Eurasia.

Source: The Illustrated Flora of British Columbia

Ecology

Ecological Framework for Saxifraga oppositifolia

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

Minimum

Average

Maximum

Elevation (metres) 35 1939 2680
Slope Gradient (%) 0 28 100
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
0 223 360
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
0 2 5
Modal Nutrient Regime
Class
B
Number of field plots
 species was recorded in:
98
Modal BEC Zone Class
BAFA
All BEC Zones (# of stations/zone) species was recorded in: AT(11), BAFA(35), cma(1), ESSF(24), IMA(11), SWB(4)

Climate

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