Prunus spinosa insect-pollinated. The fruit, called a "sloe", is a drupe in diameter, black with a purple-blue waxy bloom, ripening in autumn and harvested – traditionally, at least in the UK – in October or November after the first frosts. Sloes are thin-fleshed, with a very strongly astringent flavour when fresh. "Prunus spinosa" is frequently confused with the related "P. cerasifera" (cherry plum), particularly in early spring when the latter starts flowering somewhat earlier than "P. spinosa". They can be distinguished by flower colour, creamy white in "P. spinosa", pure white in "P. cerasifera". They can also be distinguished in winter by
Prunus japonica Prunus japonica Prunus japonica (also "Cerasus japonica"), also called Japanese bush cherry, or Oriental bush cherry, or Korean bush cherry is a shrub species in the genus "Prunus" that is widely cultivated for ornamental use. Its native range extends from Central China through to the Korean peninsula. "P. maximowiczii", the Miyama cherry is also often referred to as Japanese bush cherry. The shrub reaches 1.5 m by 1.5 m. Its flowers are hermaphrodite and are pollinated by insects. The plant blossoms in May. Its fruit reaches about 14 mm and has an agreeably sweet flavor, therefore it is used in