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The characteristics of Rubus allegheniensis can be highly variable. [8] It is an erect bramble, typically 1.5 metres (5 feet) but occasionally rarely over 2.4 m (8 ft) high, with single shrubs approaching 2.4 m or more in breadth, although it usually forms dense thickets of many plants.
Rubus, or Bramble, [4] is a large and diverse genus of flowering plants in the rose family, Rosaceae, subfamily Rosoideae, most commonly known as brambles. [3] [5] [6] Fruits of various species are known as raspberries, blackberries, dewberries, and bristleberries.
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.
Blackberry fruit, leaves, and stems have been used to dye fabrics and hair. Native Americans have even been known to use the stems to make rope. The shrubs have also been used for barriers around buildings, crops, and livestock. The wild plants have sharp, thick prickles, which offer some protection against enemies and large animals. [21]
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.
Several years ago, growing in his garden, were plants of the Aughinbaugh blackberry and Red Antwerp raspberry. The plants, being near each other, had intermixed or grown together. The judge, having noticed that they bloomed and ripened their fruit together, conceived the idea of planting the seeds, from which planting resulted the production of ...
Similar to the blackberry, the receptacle (the "core") remains in the berry when it is picked. 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.
The leaves are alternate and palmately compound. First-year plants have palmate leaves with 5 leaflets while second-year plants have palmate leaves with 3 leaflets. 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 ...