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

Rubus lasiococcus A. Gray
dwarf bramble (roughfruit berry)
Rosaceae (Rose family)

Introduction to Vascular Plants

© Adolf Ceska  Email the photographer   (Photo ID #20441)

E-Flora BC Static Map
Distribution of Rubus lasiococcus
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Species Information

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Perennial, with slender trailing stems and erect flowering branches; stems trailing, stolon-like, to 2 m long, often rooting at the nodes, short-hairy; flowering branches short, to 10 cm tall.
Alternate, deciduous,1 to 3 per flowering branch, long-stalked, simple, the blades heart-kidney-shaped, 2-6 cm wide, shallowly to deeply 3-lobed, the lobes rounded, double-saw-toothed, green on both surfaces, sparsely hairy above and on the veins beneath; stipules membranous, egg-shaped.
Inflorescence of 1 or 2 long-stalked flowers atop short leafy shoots, the stalks not glandular; corollas white, the petals 5, broadly egg-shaped, 5-8 mm long, erect; calyces densely short-hairy, 5-lobed, the lobes lance-egg-shaped, 4-8 mm long, bent back; ovaries superior; stamens numerous, the filaments slender, not flattened.
Drupelets, densely short-hairy, few to several in a red hemispheric cluster; like a rudimentary raspberry, the berries about 1 cm wide.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Mesic to moist thickets and open forests in the montane and lower subalpine zones; rare in SW BC; S to N CA.

Source: The Illustrated Flora of British Columbia


Ecological Framework for Rubus lasiococcus

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) 1300 1508 1720
Slope Gradient (%) 4 35 68
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
5 8 358
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
2 3 5
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: ESSF(14), MH(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