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The marionberry (Rubus L. subgenus Rubus) is a cultivar of blackberry released in 1956 by the USDA Agricultural Research Service breeding program in cooperation with Oregon State University. [ 1 ] [ 2 ] [ 3 ] It is named after Marion County, Oregon , where the berry was bred and tested extensively in the mid-20th century.
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.
The term "cane fruit" or "cane berry" applies to any Rubus species or hybrid which is commonly grown with supports such as wires or canes, including raspberries, blackberries, and hybrids such as loganberry, boysenberry, marionberry and tayberry. [7] The stems of such plants are also referred to as canes.
Boysenberries grow on low, trailing plants. [3] It is a large aggregate fruit with a deep maroon color, weighing 8 grams (0.28 oz) and containing large seeds. [3] [4] The fruits are characterized by their soft texture, thin skins, and sweet-tart flavor. Mature fruits leak juice very easily and can start to decay within a few days of harvest. [3]
The plant has a growth habit similar to that of the blackberry. Fruits grow on short laterals on prickly canes 1.8 to 2.1 m (6 to 7 ft) long. [2] The cropping period is long, from early mid- to late-summer. Having a strong flavor, the tayberry is less acidic than the loganberry. [2]
Loganberry plants are sturdy and more disease- and frost-resistant than many other berries. However, they are not very popular with commercial growers due to several problems which increase labor costs, since the plants tend to be thorny and the berries are often hidden by the leaves.
The plants do not have upright canes like some other Rubus species, but have stems that trail along the ground, putting forth new roots along the length of the stem. The stems are covered with fine spines or stickers. Around March and April, the plants start to grow white flowers that develop into small green berries. The tiny green berries ...
Rubus parviflorus is a dense shrub up to 2.5 meters (8 feet) tall with canes no more than 1.5 centimeters (1 ⁄ 2 inch) in diameter, often growing in large clumps which spread through the plant's underground rhizome. Unlike many other members of the genus, it has no prickles.