wild blackberry Rosaceae Rubus ursinus Cham. & Schltdl. Listen to the Latin symbol: RUUR Other Fact Sheets
Leaf: Alternate, pinnately compound (usually 3 leaflets), persistent (often barely); leaflets ovate, lobed and doubly serrate, 1 1/2 to 3 inches long, dark green above and paler below. Rachis and petiole armed with slender, easily detached prickles.
Flower: Species is usually dioecious; mostly imperfect, white to pink, 1 to 2 inches across, narrow petals, borne in clusters.
Fruit: Black aggregate of drupelets about 1/2 inch long, very edible.
Twig: Slender, round, and green to red, but covered with a white, waxy bloom, armed with slender straight or recurved prickles that detach easily.
Form: A climbing or trailing evergreen shrub with round, slender branches that commonly reach 10 to 20 feet in length. Young stems are erect, but arch as they lengthen, rapidly touching the ground and rooting at the nodes.

Looks like: evergreen blackberry - Himalaya blackberry - whitebark raspberry - salmonberry
leaf flower fruit twig bark form1 map
Additional Range Information:
Rubus ursinus is native to North America.
Range may be expanded by planting.
See states reporting wild blackberry.
External Links:
USDAFS Additional Silvics
USDA Plants Database
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Photos and text by: John Seiler,
Edward Jensen, Alex Niemiera,
and John Peterson
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