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

Rubus laciniatus Willd.
cutleaf evergreen blackberry (cutleaf blackberry; evergreen blackberry)
Rosaceae (Rose family)

Introduction to Vascular Plants

© Jamie Fenneman  Email the photographer   (Photo ID #3886)

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Distribution of Rubus laciniatus
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Species Information

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Medium to tall, coarse shrub, 2-10 m or more long, thicket-forming; stems 3-10 mm in diameter, ascending or arching, then sprawling and trailing along the ground, some rooting at the ends, five-angled, with stout, flattened, hooked prickles along the angles, fine-hairy when young becoming smooth.
Alternate, evergreen, palmately compound; leaflets 5, more or less egg-shaped in outline, deeply and jaggedly lobed to divided into secondary leaflets themselves jaggedly lobed or coarsely toothed, abruptly sharp-pointed at the tip, green and smooth or slightly hairy above, hairy and greyish-green beneath, the leaf-stalks and midveins beneath hooked-prickly; stipules linear.
Inflorescence of few to many, stalked flowers in open, somewhat flat-topped, terminal or sometimes axillary clusters, the stalks curved-prickly and soft-hairy; corollas pinkish to white, the petals 5, spreading, wedge-egg-shaped and 3-lobed at the tip, 9-15 mm long; calyces downy and prickly on the back, 5-lobed, the lobes lanceolate with long tail-like tips, bent back, 8-15 mm long; ovaries superior; stamens 75 or more.
Drupelets, smooth, coherent in a black, globe- to egg-shaped cluster that falls with the fleshy receptacle (a blackberry), the berries 1-1.5 cm long.

Source: The Illustrated Flora of British Columbia

USDA Species Characteristics

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

Habitat / Range

Moist to wet waste places, ditches and roadsides in the lowland zone; common in SW BC; introduced from Europe.

Source: The Illustrated Flora of British Columbia


Ecological Framework for Rubus laciniatus

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) 30 651 1472
Slope Gradient (%) 0 4 25
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
20 0 360
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
5 5 6
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(2), CWH(1), ESSF(1), ICH(3), MS(1), SBS(1)

Ecological Indicator Information

A shade-intolerant, sub montane to montane, European deciduous shrub introduced to North America (presently transcontinental). Species occurs on water-shedding and water-receiving sites in boreal. temperate, cool semiarid, and cool mesothermal climates; on fresh to very moist, nitrogen-rich soils. Plentiful in initial communities on cutover and burnt sites; scattered in open-canopy, immature forests. Often associated with Epilobium angustifolium, Pteridium aquilinum, and Rubus parviflorus. May hinder natural regeneration, and establishment of shade-intolerant conifers. Nitrophytic species characteristic of disturbed sites.

SourceIndicator Plants of Coastal British Columbia (Information applies to coastal locations only)


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 cool mesothermal.

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References