California Blackberry (Rubus ursinus)
Description
Rubus ursinus is a North American species of blackberry or dewberry, known by the common names California blackberry, California dewberry, Douglas berry, Pacific blackberry, Pacific dewberry and trailing blackberry. The name is from rubus for "bramble" and ursinus for "bear." Rubus ursinus is a wide, mounding shrub or vine, growing to 2–5 feet (0.61–1.52 m) high, and more than 6 feet (1.8 m) wide. The prickly branches can take root if they touch soil, thus enabling the plant to spread vegetatively and form larger clonal colonies. Leaves usually have 3 leaflets but sometimes 5 or only 1, and are deciduous. The plant is dioeocious, with male and female plants on separate plants, also unusual for the genus. As with other Rubus, the canes are typically vegetative the first year, and reproductive in the second. Flowers are white with narrower petals than most related species, and have a fragrance. The sweet, very aromatic, edible fruits are dark purple, dark red, or black and up to 2 centimeters (0.8 inches) in length
Taxonomic tree
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Domain: Eukarya
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Kingdom: Plantae
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Phylum:
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Class: Magnoliopsida
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Order: Rosales
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Family: Rosaceae
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Genus: Rubus
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