Rubus laciniatus
cut-leaf blackberry, evergreen blackberry
WTU specimens
Other herbaria

Distribution: Introduced chiefly west of the Cascades, British Columbia to California; occasionally east to Idaho

Habitat: Roadsides and disturbed areas, mostly at low elevations

Flowers: June - Early August

Origin: Introduced

Conservation Status: Not of concern

Description:
General:

Strongly armed, evergreen perennial with ascending to clambering stems to 10 m. long, the prickles flattened, recurved.

Leaves:

Leaves primarily 5-foliate, from deeply lobed to divided into secondary leaflets, these deeply incised to serrate, green and nearly glabrous above, copiously hairy beneath.

Flowers:

Flowers rather numerous in simple or compound, flat-topped, leafy racemes; calyx woolly and prickly, the 5 lobes lanceolate and tailed, reflexed, 8-15 mm. long; petals 5, pinkish, 9-14 mm. long, obovate and tri-lobed; stamens at least 75, pistils few.

Fruits:

Drupelets coherent, blackberry ovoid, 1-1.5 cm. thick, blackish

Accepted Name:
Rubus laciniatus Willd.
Publication: Hort. Berol. pl. 82. 1806.

Synonyms & Misapplications:
Rubus vulgaris var. laciniatus Dippel.
Additional Resources:

PNW Herbaria: Specimen records of Rubus laciniatus in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Rubus laciniatus checklist entry.

E-Flora BC: Rubus laciniatus atlas page.

CalPhotos: Rubus laciniatus photos.

USDA Plants: Rubus laciniatus information.

17 photographs:
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