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Rubus vestitus is a European species of brambles in the rose family, called European blackberry [2] in the United States. It is native to Europe and naturalized along the northern Pacific Coast of the United States and Canada ( British Columbia , Washington , Oregon ).
The blackberries, as well as various other Rubus species with mounding or rambling growth habits, are often called brambles. However, this name is not used for those like the raspberry that grow as upright canes, or for trailing or prostrate species, such as most dewberries, or various low-growing boreal, arctic, or alpine species.
Rubus ursinus is a wide, mounding shrub or vine, growing to 0.61–1.52 metres (2–5 feet) high, and more than 1.8 m (6 ft) wide. [3] The prickly branches can take root if they touch soil, thus enabling the plant to spread vegetatively and form larger clonal colonies.
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Rubus ulmifolius is a species of wild blackberry known by the English common name elmleaf blackberry or thornless blackberry and the Spanish common name zarzamora.It is native to Europe and North Africa, and has also become naturalized in parts of the United States (especially California), Australia, and southern South America.
Second-year plants develop racemes of flowers each containing 5–20 flowers. [4] The flowers are typically 5-merous with large, white petals and light green sepals, borne in mid-spring. [5] Second-year plants are also capable of growing the fruit which gives the plant's common name, the blackberry. The fruits are compound drupes which change ...
Associated plants may include mountain maple (Acer spicatum), serviceberry (Amelanchier spp.), hobblebush (Viburnum alnifolium), scarlet elder (Sambucus pubens), common blackberry (Rubus allegheniensis), beaked hazel (Corylus cornuta), southern mountain cranberry (Vaccinium erythrocarpum), minnie-bush (Menziesia pilosa), and rosebay ...
Although related to a blackberry species considered to be a noxious weed – the Himalaya blackberry (R. armeniacus) which is an aggressive invasive species [8] – marionberries are not invasive because they do not readily germinate to grow new canes from seed. [11] They are commonly pruned and trained on trellises. [8] [11]