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

Rubus chamaemorus L.
Rosaceae (Rose family)

Introduction to Vascular Plants

© Judith Holm  Email the photographer   (Photo ID #80837)

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Distribution of Rubus chamaemorus
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Species Information

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Perennial herb from a slender creeping rhizome; stems erect, 5-30 cm tall, unbranched, unarmed, hairy and often glandular, or nearly smooth, the lowest nodes with stipules only.
Alternate, deciduous, 1 to 3, long-stalked, the blades round-kidney-shaped, 2-12 cm wide, somewhat leathery, palmately shallowly 5- to 7-lobed, the lobes usually rounded at the summit, saw-toothed, green and smooth to thinly hairy above, paler and hairier especially on the veins beneath; stipules egg-shaped.
Inflorescence of a solitary stalked flower atop the stem, the flowers unisexual with male and female flowers on separate plants; corollas white, the petals 5, egg-shaped, 7-15 mm long, spreading; calyces fine-hairy to smooth, 5-lobed, the lobes oblong-egg-shaped, 5-15 mm long, ascending to spread ing in fruit; ovaries superior; stamens many, the filaments linear.
Drupelets, large, smooth, coherent in a raspberry-like cluster, at first reddish, then amber to yellow when mature.

Source: The Illustrated Flora of British Columbia

USDA Species Characteristics

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

Habitat / Range

Bogs and wet peaty soil in boggy forests in the lowland and montane zones; frequent in BC north of 55degreeN, infrequent southward, absent from SC and SE BC; circumboreal, N to AK, YT and NT, E to NF and S to NY and ME; Eurasia.

Source: The Illustrated Flora of British Columbia


Ecological Framework for Rubus chamaemorus

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) 6 725 1743
Slope Gradient (%) 0 3 95
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
5 15 360
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
1 6 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: BWBS(123), CWH(47), ESSF(19), ICH(23), MS(1), SBS(58), SWB(23)


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

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General References