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

Micranthes odontoloma
stream saxifrage
Saxifragaceae (Saxifrage family)

Introduction to Vascular Plants

© Ken Marr  Email the photographer   (Photo ID #88298)

E-Flora BC Static Map
Distribution of Micranthes odontoloma
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Species Information

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Perennial herb from well-developed rhizomes, often matted; flowering stems 20-60 cm tall, smooth below, glandular-hairy above, with red or purplish glands.
Basal leaves round with kidney-shaped base, 2-8 cm wide, about 3/4 as long, 15- to 29-toothed, the teeth coarse, sharp, up to 7 mm long, fringed; stalks several times longer than blades, with stipular bases; stem leaves lacking.
Inflorescence open, spreading; petals white, 2-spotted, round to elliptic, 3-4 mm long, abruptly narrowed at base, deciduous; calyces lobed almost to base, free hypanthium absent, the lobes oblong-lanceolate to oblong-egg-shaped, 1.5-2 mm long, bent back, often pinkish or purplish; stamens 10.
Capsules, 6-10 mm long, usually purplish; seeds brown, about 1 mm long, with several lengthwise rows of thick, scale-like pimples.
Hybridizes extensively with S. lyallii in S BC. vol5_3

Source: The Illustrated Flora of British Columbia

Habitat / Range

Wet streambanks and moist shady places in the montane and subalpine zones; frequent in SW BC, rare northward; E to AB and S to NM, AZ and CA.

Source: The Illustrated Flora of British Columbia


Ecological Framework for Micranthes odontoloma

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) 905 1649 2120
Slope Gradient (%) 0 49 420
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
0 259 315
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
3 5 8
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: AT(3), CMA(3), ESSF(3), MH(2), MS(1)

Synonyms and Alternate Names

Saxifraga odontoloma Piper

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References