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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 leaves usually have 3 leaflets but sometimes 5 or only 1, and are deciduous.
The plant closely resembles the native blueberry plants (Vaccinium species) with which it grows in the same habitats. It can be readily identified by the numerous resin dots on the undersides of the leaves which glitter when held up to the light.
[2] [3] Rubus pensilvanicus is a prickly shrub up to 3 meters (10 feet) tall. The canes are green at first but then turn dark red, usually ridged, with copious straight prickles. The leaves are palmately compound, usually bearing 5 or 7 leaflets. The flowers are white with large petals, borne in mid-spring.
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.
Callicarpa americana, commonly called the American beautyberry, is an open-habitat, native shrub of the Southern United States which is often grown as an ornamental in gardens and yards. American beautyberries produce large clusters of purple berries, which birds and deer eat, thus distributing the seeds.
The fruit is orange or red, about 1 cm diameter, edible, produced in summer or early autumn; in botanical terminology and like all members of Rubus, it is not a berry at all but an aggregate fruit of numerous drupelets around a central core. Ripening occurs from early summer. [7] [4] The canes have red glandular hairs.
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.
The leaves are oval to nearly circular, 2–5 centimetres (3 ⁄ 4 –2 inches) long and 1–4.5 cm (1 ⁄ 2 – 1 + 3 ⁄ 4 in) broad, on a 0.5–2 cm (1 ⁄ 4 – 3 ⁄ 4 in) leaf stem, with margins toothed mostly above the middle. [5] As with all species in the genus Amelanchier, the flowers are white, [6] with five quite separate petals and ...