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 subhirtella Prunus subhirtella Prunus subhirtella ("Prunus" × "subhirtella") or Prunus pendula sometimes also called winter-flowering cherry, spring cherry, Higan cherry, or rosebud cherry is a small deciduous flowering tree originating in Japan, but unknown in the wild. It is probably of hybrid origin between "Prunus incisa" and "Prunus spachiana". "Prunus subhirtella" bears white to pink flowers which may emerge intermittently from autumn through to spring, and small black fruit. Several garden forms are known. The variety 'Jugatsu-zakura' (incorrectly known as "Prunus" × "subhirtella" 'Autumnalis') is widely grown for its propensity to flower during mild winter weather. The flowers can be used