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

Introduction to Vascular Plants

Photograph

© Jim Riley     (Photo ID #15482)


Map

E-Flora BC Static Map

Distribution of Rubus laciniatus
Click here to view the full interactive map and legend

Species Information

General:
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.
Leaves:
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.
Flowers:
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.
Fruits:
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.

SourceThe Illustrated Flora of British Columbia

Illustration

If more than one illustration is available for a species (e.g., separate illustrations were provided for two subspecies) then links to the separate images will be provided below. Note that individual subspecies or varietal illustrations are not always available.

USDA Species Characteristics

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

Ecology

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

Avg

Min

Max

Elevation (metres)
651 30 1472
Slope Gradient (%)
4 0 25

Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]

0 20 360
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
5 5 6
Modal Nutrient Regime
Class
C
# of field plots
 species was recorded in:
15
Modal BEC Zone Class
ICH

All BEC Zones (# of stations/zone) species was recorded in

CDF(2), CWH(1), ESSF(1), ICH(3), MS(1), SBS(1)

Habitat and Range

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

SourceThe Illustrated Flora of British Columbia