Rosaceae

Rubus laciniatus

Cut-Leaved Blackberry

Stout, sprawling to arching bramble. Stems 5-angled, with strong recurved thorns. Leaves evergreen, divided palmately, 3–5 leaflets. Leaflets deeply lobed with each lobe sharply toothed and pointed, underside hairy and green. Flowers more than 1 in., often more than 10 per cluster. Petals 5, oval, pink or white. Blackberries oval, black, shiny, delicious. Weedy and invasive in moist disturbed places at low to mid-elevations. Compare to R. discolor, a more common invasive nonnative blackberry, with undivided leaflets.

• Rarity: Common
• Flowering Time: Late Spring, Early Summer
• Life Cycle: Perennial
• Height: to 30 feet
• Habitat: Coastal, Meadow, Disturbed
• Found In: Olympic Np, Mt. Rainier Np, Siskiyous, N Cascades Np
• Native: No