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Rubus phoenicolasius
Rubus phoenicolasius (Japanese Wineberry, Wineberry, or Wine Raspberry) is a species of raspberry (Rubus subgenus Idaeobatus) native to northern China, Japan, and Korea. The species was introduced to Europe and North America as an ornamental plant and for its potential in breeding hybrid raspberries. It has subsequently escaped from cultivation and become naturalised and sometimes invasive in parts of Europe and eastern North America. The flowers are produced in late spring on short, very bristly racemes on the tips of these side shoots, each flower 6–10 mm diameter with five purplish red to pink petals and a bristly calyx. The fruit is orange or red, about 1 cm diameter, edible, produced in summer or early autumn; in botanical terminology, it is not a berry at all, but an aggregate fruit of numerous drupelets around a central core. Ripening occurs from early summer. The canes have fine, red thorns, which appear much like red hair.
Also, unlike carnivorous plants, wineberry grows in nutrient-rich soil, so it has no need for insect nutrients.
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new photo added. The wineberry flowers have started to open...