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 microcarpa Prunus microcarpa Prunus microcarpa (small-fruited cherry, Arabic name: كرز صغير الثمر ) is a species of "Prunus" native to Western Asia and the Caucasus. "Prunus microcarpa" is a deciduous bushy shrub with rigid branchlets. Its glabrous leaves are ovate to elliptic. "Prunus microcarpa" produces white to pale pink hermaphrodite flowers in April. The flowers are solitary or in pairs and are 1 cm across. Its 1 cm-long fruit is ovoid and turns yellow to orange, red or black when ripe and may be toxic if consumed excessively. The shrub's fruit can be used to obtain a dark grey to green