| Rubus ursinus | ||||||||||||||||
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| Rubus ursinus Cham. & Schldl. |
Rubus ursinus is a species of blackberry or dewberry known by the common names California blackberry and Pacific blackberry. Adelbert von Chamisso ( January 30 1781 &ndash August 21 1838) was a German Poet and Botanist. Diederich von Schlechtendal ( 27 November 1794 - 12 October 1866) was a German Botanist born in Xanten. The BlackBerry is a Wireless Handheld device introduced in 1999 as a two-way pager See also List of early spring flowers The Dewberries ( Rubus sect It is native to western North America. This is a wide, spreading shrub or vine-bearing bush with prickly branches. Its white flowers may be distinguished from those of other blackberries by their narrow petals. The sweet, edible fruits are dark purple to black and up to 2 centimeters in length. One theory surmises that this species is an ancestor of the loganberry, and is a parent of the Boysenberry. The loganberry ( Rubus × loganobaccus) is a hybrid produced from crossing a Blackberry and a Raspberry. A boysenberry is a cross between a Raspberry, and the Pacific blackberry.