Rubus ursinus(redirected from California blackberry)
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|Noun||1.||Rubus ursinus - American blackberry with oblong black fruit|
blackberry - large sweet black or very dark purple edible aggregate fruit of any of various bushes of the genus Rubus
blackberry bush, blackberry - bramble with sweet edible black or dark purple berries that usually do not separate from the receptacle
boysenberry, boysenberry bush - cultivated hybrid bramble of California having large dark wine-red fruit with a flavor resembling raspberries