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

Micranthes rufidula
rusty-haired saxifrage
Saxifragaceae (Saxifrage family)

Introduction to Vascular Plants

Distribution of Micranthes rufidula
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Species Information

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Illustration Source: The Illustrated Flora of British Columbia

General:
Perennial herb from stem-bases with short rhizomes or bulblets; flowering stem 1, 10-20 cm tall, glandular-hairy.

Leaves:
All basal, egg-shaped to occasionally diamond-shaped, 4-10 cm long, 1-3 cm wide, coarsely and regularly toothed with 15 to 30 teeth, wedge-shaped to blunt at base, fringed, usually densely rusty-woolly below, stalks 4-8 cm long.

Flowers:
Inflorescence terminal, usually open, of several clusters of flowers, flat-topped; petals white, pink or green, 1.5-3.5 mm long, egg-shaped, clawed, deciduous; calyces joined to the lower portion of the ovary, free hypanthium present, the lobes egg-shaped, 1-2.5 mm long, spreading, reddish-hairy; stamens 10.

Fruits:
Follicles, 3-6 mm long, greenish to reddish-purple; seeds brownish, about 0.7 mm long, wrinkled lengthwise.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Moist to dry rock outcrops in the lowland to alpine zones; frequent on Vancouver Island and the Gulf Islands, rare on the adjacent mainland; S to WA, OR and CA.

Source: The Illustrated Flora of British Columbia

Ecology

Ecological Framework for Micranthes rufidula

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
Site Information	Minimum	Average	Maximum
Elevation (metres)	2014	2154	2240
Slope Gradient (%)	20	44	85
Aspect (degrees) [0 - N; 90 - E; 180 - S; 270 - W]	133	186	350
Soil Moisture Regime (SMR) [0 - very xeric; 4 - mesic; 8 - hydric]	0	1	4
Modal Nutrient Regime Class	C
Number of field plots species was recorded in:	7
Modal BEC Zone Class	ESSF
All BEC Zones (# of stations/zone) species was recorded in:	AT(1), ESSF(5), IMA(1)
Source: Klinkenberg 2020

Status Information

Origin Status	Provincial Status	BC List (Red Blue List)	COSEWIC
Native	S5	Yellow	Not Listed

BC Ministry of Environment: BC Species and Ecosystems Explorer, the authoritative source for conservation information in British Columbia.

Synonyms and Alternate Names

Saxifraga rufidula (Small) Macoun

Taxonomic and Nomenclatural Links

Flora North America treatment for Saxifragaceae
Genetic information (NCBI Taxonomy Database)
International Plant Names Index
Taxonomic Information from the World Flora Online
Integrated Taxonomic Information System

Additional Range and Status Information Links

Burke Museum of Natural History (Washington State records)
CalFlora
Consortium of Pacific Northwest Herbaria records
Jepson Interchange
NatureServe Explorer

Additional Photo Sources

Images From CalPhoto
UT Austin's Native Plant Database
Google Image Search
Flickr Image Search

General References

Google Scholar Search
Family References
General Botanical References for BC

Recommended citation: Author, Date. Page title. In Klinkenberg, Brian. (Editor) 2020. E-Flora BC: Electronic Atlas of the Plants of British Columbia [eflora.bc.ca]. Lab for Advanced Spatial Analysis, Department of Geography, University of British Columbia, Vancouver. [Accessed: 2024-11-21 12:28:26 PM ]

Disclaimer: The information contained in the E-Flora atlas pages is derived from expert sources as cited in each section. This information is scientifically based. E-Flora also acts as a portal to other sites via deep links. As always, users should refer to the original sources for complete information. E-Flora BC is not responsible for the accuracy or completeness of the original information.