Prunus spinosa of the fruit caused by the fungus "Taphrina pruni" produces an elongated and flattened gall, devoid of a stone. The shrub, with its savage thorns, is traditionally used in Britain and other parts of northern Europe to make a "cattle-proof" hedge. The fruit is similar to a small damson or plum, suitable for preserves, but rather and for eating, unless it is picked after the first few days of autumn frost. This effect can be reproduced by freezing harvested sloes. The juice is used in the manufacture of fake port wine, and used as an to impart roughness to genuine
Prunus buergeriana Prunus buergeriana Prunus buergeriana, in Japanese イヌザクラ (inu-zakura), meaning dog cherry, is a species of bird cherry native to Japan, Korea, Taiwan, China, northeast India (Sikkim), and Bhutan. In China it prefers to grow on mountain slopes at 1000 to 3400m above sea level. Its closest relative is "Prunus perulata", from which it is morphologically and genetically distinct. "Prunus buergeriana" individuals usually reach a height of . The small flowers are borne on a raceme. The fruit ripen from green through red to black. Considered an unlovely tree in Japan, the dog cherry is used as a simile in Japanese