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The fruit is red, large (up to 4 cm or 1.6 in long and 2.5 cm or 0.98 in wide), and edible but not often eaten, as it is sour and somewhat bitter. Although frequently described as prickle-free ("thornless"), and often used as an example of loss of defenses in island plants, most plants do have thin prickles at least when small. As the cane ...
It is a thornless perennial up to 30 centimetres (12 inches) tall, woody at the base, but very thin higher above the ground. Flowers are in groups of 1–3, the petals pink, red, or magenta. The fruit is deep red or dark purple, with an unusual hardiness to frost and cold weather conditions. [2] [10] Ripe Arctic raspberry
Rubus strigosus, the American red raspberry or American raspberry, is a species of Rubus native to much of North America. It was often treated as a variety or subspecies of the closely related Eurasian Rubus idaeus (red raspberry or European red raspberry), [ 1 ] [ 2 ] but is now more commonly treated as a distinct species.
Prickles on a blackberry branch. In plant morphology, thorns, spines, and prickles, and in general spinose structures (sometimes called spinose teeth or spinose apical processes), are hard, rigid extensions or modifications of leaves, roots, stems, or buds with sharp, stiff ends, and generally serve the same function: physically defending plants against herbivory.
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.
Rubus probus, commonly known as Atherton raspberry or wild raspberry, is a scrambling shrub in the family Rosaceae native to Malesia and Queensland. [ 2 ] [ 3 ] Atherton raspberry is a rampant grower and, like most Rubus species, can form dense thorny thickets. [ 4 ]
Red-fruited raspberries European Rubus idaeus raspberry fruits on the plant. The raspberry is the edible fruit of several plant species in the genus Rubus of the rose family, most of which are in the subgenus Idaeobatus. [1] The name also applies to these plants themselves. Raspberries are perennial with woody stems. [2]
Rubus pubescens (dwarf red blackberry, dwarf red raspberry, dewberry) is a herbaceous perennial widespread across much of Canada and the northern United States, from Alaska to Newfoundland, south as far as Oregon, Colorado, and West Virginia.