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

Saxifraga hyperborea R. Br.
pygmy saxifrage
Saxifragaceae (Saxifrage family)

Introduction to Vascular Plants

© Virginia Skilton  Email the photographer   (Photo ID #66468)

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

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General:
Perennial herb from fibrous roots; stems 2-12 cm tall, soft- to woolly-hairy.
Leaves:
Basal leaves round- to kidney-shaped, 0.3-1.2 cm long, 0.4-2.3 cm wide, 3- to 9-lobed, smooth, stalked, often with bulblets in the axils; stem leaves 1 or a few, alternate, fewer-lobed, without bulblets, short-stalked or unstalked.
Flowers:
Inflorescence of 1 to few flowers, without bulblets; petals white to pink, 3-5 mm long, 1- to 3-veined; calyces green to reddish-purple, the lobes 5, egg-shaped to lanceolate or lance-oblong, 1-4.5 mm long, sparsely glandular-hairy; stamens 10.
Fruits:
Capsules, 4-9 mm long; seeds brown, about 0.5 mm long, minutely wrinkled.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Moist to wet rock outcrops, gravelly slopes, streambanks and talus slopes in the subalpine and alpine zones; frequent throughout BC except absent from the Queen Charlotte Islands; circumpolar, N to AK, YT and NT, E to NF and S to NH, NM, AZ and CA; Iceland, N Eurasia.

Source: The Illustrated Flora of British Columbia

Ecology

Ecological Framework for Saxifraga hyperborea

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) 1445 1831 2368
Slope Gradient (%) 2 26 50
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
60 347 360
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
0 3 7
Modal Nutrient Regime
Class
B
Number of field plots
 species was recorded in:
10
Modal BEC Zone Class
BAFA
All BEC Zones (# of stations/zone) species was recorded in: AT(2), BAFA(7), SWB(1)

Synonyms and Alternate Names

Saxifraga rivularis L.

Taxonomic and Nomenclatural Links

Additional Photo Sources

Species References

BC Conservation Data Centre. 2012. Annual nomenclatural update. Victoria, BC.

General References