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

Saxifraga tricuspidata Rottb.
three-toothed saxifrage (three toothed saxifrage)
Saxifragaceae (Saxifrage family)

Introduction to Vascular Plants

© Jamie Fenneman  Email the photographer   (Photo ID #7357)

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Distribution of Saxifraga tricuspidata
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Species Information

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General:
Caespitose, perennial herb from branched stem-bases, forming densely matted flat cushions; stems numerous, the flowering stems 3-25 cm tall, minutely glandular-hairy to smooth, with a few leaves.
Leaves:
Basal leaves crowded, partly overlapping, persistent for several years, oblong or spoon-shaped, 0.5-2 cm long, 1-7 mm wide, leathery, fringed, the tips 3-toothed, the teeth spine-tipped; stem leaves alternate, similar, becoming entire above.
Flowers:
Inflorescence of few- to several-flowered, terminal, somewhat flat-topped clusters; petals white or pale yellow, usually orange-spotted in upper part, elliptic-oblong, 4-7 mm long; calyces saucer-shaped, joined to ovary for part of length, the calyx lobes egg-shaped to lanceolate, 1.5-3 mm long, glandular-fringed; stamens 10.
Fruits:
Capsules, 4-8 mm long.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Dry meadows, gravelly slopes, talus slopes, cliffs and ridges from the montane to alpine zones; common in BC in and E of the Coast-Cascade Mountains and N of 52degreeN; N to AK, YT and NT, E to Labr. and PQ and S to MI; Greenland.

Source: The Illustrated Flora of British Columbia

Ecology

Ecological Framework for Saxifraga tricuspidata

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) 7 1609 2440
Slope Gradient (%) 0 30 235
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
0 202 360
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
0 2 8
Modal Nutrient Regime
Class
B
Number of field plots
 species was recorded in:
364
Modal BEC Zone Class
BAFA
All BEC Zones (# of stations/zone) species was recorded in: AT(4), BAFA(183), BWBS(21), cma(4), ESSF(74), ICH(4), IDF(1), MH(1), SBPS(1), SBS(13), SWB(45)

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.

Synonyms and Alternate Names

Leptasea tricuspidata (Rottb.) Haw.

Taxonomic and Nomenclatural Links

Additional Photo Sources

Related Databases

General References