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

Rhododendron lapponicum (L.) Wahlenb.
Lapland rosebay
Ericaceae (Crowberry family)

Introduction to Vascular Plants

© Alfred Cook  Email the photographer   (Photo ID #8470)

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Distribution of Rhododendron lapponicum
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Species Information

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General:
Dwarf, mat-forming shrub; stems prostrate to ascending, 5-30 cm long.
Leaves:
Alternate, evergreen or tardily deciduous, elliptic-oblong, 0.5-2 cm long, 0.2-0.8 cm wide, thick, scaly-glandular on both surfaces, tips blunt, dark green and wrinkled-looking above, brownish below, margins somewhat rolled under; stalks 2-3 mm long.
Flowers:
Showy, in few-flowered terminal clusters, fragrant; flower stalks 0.3-1.4 cm long, scaly-glandular; corollas deep purple, 8-12 mm long, 5-lobed; calyces persistent, 0.5-1.5 mm long, 5-lobed, fringed, dorsally scaly-glandular; stamens 5-10, filaments purple, glabrous; anthers rather short, oval.
Fruits:
Capsules, egg-shaped, 5-8 mm long, scaly-glandular.

Source: The Illustrated Flora of British Columbia

USDA Species Characteristics

Flower Colour:
Purple
Blooming Period:
Late Spring
Fruit/Seed characteristics:
Colour: Yellow
Present over the
Source:  The USDA

Habitat / Range

Dry fell-fields and stony slopes in the alpine zone; infrequent in extreme N BC; circumpolar, N to AK, YT, and NT, and E to NF; Eurasia.

Source: The Illustrated Flora of British Columbia

Ecology

Ecological Framework for Rhododendron lapponicum

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) 710 1451 1770
Slope Gradient (%) 0 28 64
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W] 		0 243 360
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric] 		1 3 7
Modal Nutrient Regime
Class		 B
Number of field plots
 species was recorded in:		 33
Modal BEC Zone Class
 BAFA
All BEC Zones (# of stations/zone) species was recorded in: BAFA(17), BWBS(1), SWB(15)

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

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

Additional Photo Sources

UBC Herbarium Scanned Collection Record
 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: 2024-07-27 11:18:41 AM ]
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