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

Rubus leucodermis Douglas ex Torr. & A. Gray
black raspberry (Dwarf Bramble; whitebark raspberry)
Rosaceae (Rose family)

Introduction to Vascular Plants

© Virginia Skilton  Email the photographer   (Photo ID #2426)

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Distribution of Rubus leucodermis
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Rubus leucodermis var. leucodermis

Species Information

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Medium shrub, 0.5-2 m tall; stems erect to ascending, some arching back to the ground and sometimes rooting at the tip, armed with short, stiff, somewhat flattened, recurved or sometimes straight prickles, very glaucous.
Alternate, deciduous, pinnately compound; leaflets 3 (to 5), egg-shaped to broadly lanceolate, 2-8 cm long, double-saw-toothed and sometimes lobed, sharp-pointed at the tip, greenish and smooth above, white-woolly beneath, the veins and leaf-stalks prickly; stipules linear, 5 mm long.
Inflorescence of 2 to 7 stalked flowers in small, open, umbel-like to flat-topped, terminal or sometimes axillary clusters, the stalks woolly and prickly; corollas white, the petals 5, erect, spoon-shaped, 3-5 mm long; calyces woolly and often glandular, 5-lobed, the lobes lanceolate, long-pointy-tipped, bent back, 6-12 mm long; ovaries superior; stamens 70-100.
Drupelets, finely and thinly woolly, in a reddish-purple to black, globe-shaped cluster that falls intact from the dry receptacle (a raspberry), the berries 1-1.2 cm wide.

Source: The Illustrated Flora of British Columbia

USDA Species Characteristics

Flower Colour:
Blooming Period:
Late Spring
Fruit/Seed characteristics:
Colour: Black
Present from Summer to Fall
Source:  The USDA

Habitat / Range

Dry to moist thickets, rocky slopes, clearings and open forests of the lowland to montane zones; common in SW BC, infrequent in SC and SE BC; S to MT, WY, UT, NV and CA.

Source: The Illustrated Flora of British Columbia


Ecological Framework for Rubus leucodermis

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) 10 434 1587
Slope Gradient (%) 0 22 120
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
3 216 360
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
0 3 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: CDF(6), CWH(175), ESSF(4), ICH(21), IDF(4), MH(1), PP(1)


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