- Rubus laciniatus is a perennial vine or shrub that can grow up to 9.8 ft. (3 m) tall.
- 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 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 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.
Tirmenstein, D. 1989. Rubus laciniatus, Fire Effects Information System, U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory 
Virginia Tech Department of Forest Resources and Environmental Conservation 
University of California, Jepson Flora Project 
USDA NRCS PLANTS 
USDA ARS GRIN 
Images from Bugwood.org