Rosaceae

Rubus ursinus

Trailing Blackberry

Trailing tangles on ground or crawling over logs, stumps in clearcuts. Stems round, vigorous. Thorns recurved, not flattened. Leaves divided into 3 distinct leaflets to 6 in. long, dark green on both sides, toothed, middle leaflet with 3 lobes. Flowers white or pink, more than 1 in. across, borne in clusters. Male, female flowers on separate plants. Blackberries small, longer than wide. Grows in streambanks, shrublands, clearcuts, roadsides, burned areas, at low to mid-elevations. Fruit delicious in jams and pies, one parent of loganberries, boysenberries, marionberries.

• Rarity: Common
• Flowering Time: Late Spring, Early Summer
• Life Cycle: Perennial
• Height: low vine
• Habitat: West-Side Forest, Meadow, Disturbed, East-Side Forest
• Found In: Olympic Np, Mt. Rainier Np, N Cascades Np, West Gorge, Siskiyous, Crater Lake Np
• Native: Yes