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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 ...
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 ...
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There was a demand to have gooseberry-type fruits on thornless plants, and the first successful attempt to cross blackcurrant (R. nigrum) with European gooseberry (R. uva-crispa) was carried out by William Culverwell in Yorkshire, England in 1880. [3] This hybrid was termed Ribes × culverwellii and was nearly sterile. [4]
[1] [2] [3] It is named after Marion County, Oregon, where the berry was bred and tested extensively in the mid-20th century. [1] A cross between the 'Chehalem' and 'Olallie' varieties, [1] [2] it is the most widely planted trailing blackberry in the world. [4] Oregon accounts for over 90% of the worldwide acreage of marionberries. [4]
Rubus is a large and diverse genus of flowering plants in the rose family, Rosaceae, subfamily Rosoideae, commonly known as brambles. [3] [4] [5] Fruits of various species are known as raspberries, blackberries, dewberries, and bristleberries.
In the 1980s, breeding efforts in New Zealand combined cultivars and germplasm from California with Scottish sources to create five new thornless varieties. [5] As of the early 2000s, fresh boysenberries were generally only grown for market by smaller California farmers and sold from local farm stands and markets. [3]
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