cutleaf blackberry USDA PLANTS Symbol: RULA
U.S. Nativity: Exotic
Habit: Vines Shrub or Subshrub
Rubus laciniatus Willd.

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Taxonomic Rank: Magnoliopsida: Rosales: Rosaceae
Synonym(s): cut-leaved blackberry
Native Range: Unknown (GRIN)

Appearance
Rubus laciniatus is a perennial vine or shrub that can grow up to 9.8 ft. (3 m) tall.
Foliage
Leaves are palmately compound and alternate with five serrate, lobed, serrate leaflets. Stems are covered in broad, curved thorns that are red at the base and yellow at the tip. The leaves are a good identifying characteristic for this species.
Flowers
Flowers are white to dark pink with 5, 0.8-1 in. (2-2.5 cm) long, petals. Stamens are white-pink and the pistils are greenish pink. Flowering occurs from June to July.
Fruit
Fruit are black, shiny, 0.6-1 in. (1.5-2.5 cm) long with very small seeds. The fruit is edible, sweet and juicy. Fruit develops from July to October.
Ecological Threat
Rubus laciniatus can be found on thinned areas, fields, pastures, and disturbed forest lines. It is native to Eurasia.

Selected Images from Invasive.orgView All Images at Invasive.org


Fruit(s);
Leslie J. Mehrhoff, University of Connecticut, Bugwood.org
Additional Resolutions & Image Usage

Fruit(s);
Leslie J. Mehrhoff, University of Connecticut, Bugwood.org
Additional Resolutions & Image Usage

Foliage;
Utah State University , , Bugwood.org
Additional Resolutions & Image Usage

Foliage;
Leslie J. Mehrhoff, University of Connecticut, Bugwood.org
Additional Resolutions & Image Usage

Fruit(s);
Leslie J. Mehrhoff, University of Connecticut, Bugwood.org
Additional Resolutions & Image Usage

Foliage;
Leslie J. Mehrhoff, University of Connecticut, Bugwood.org
Additional Resolutions & Image Usage

Foliage;
Joseph M. DiTomaso, University of California - Davis, Bugwood.org
Additional Resolutions & Image Usage

Fruit(s);
Joseph M. DiTomaso, University of California - Davis, Bugwood.org
Additional Resolutions & Image Usage

Fruit(s);
Steve Dewey, Utah State University, Bugwood.org
Additional Resolutions & Image Usage

EDDMapS Distribution:
This map is incomplete and is based only on current site and county level reports made by experts and records obtained from USDA Plants Database. For more information, visit www.eddmaps.org
 


State(s) Where Reported invasive.
Based on state level agency and organization lists of invasive plants from WeedUS database.


Invasive Listing Sources:
Faith Campbell, 1998
John Randall, The Nature Conservancy, Survey of TNC Preserves, 1995.
Mid-Atlantic Exotic Pest Plant Council, 2005
Native Plant Society of Oregon, 2008
New Jersey Department of Agriculture, Division of Plant Industry, 2004
Pacific Northwest Exotic Pest Plant Council, 1998
Reichard, Sarah. 1994.  Assessing the potential of invasiveness in woody plants introduced in North America. University of Washington Ph.D. dissertation.