Prunus spinosa Prunus spinosa Prunus spinosa, called blackthorn or sloe, is a species of flowering plant in the rose family Rosaceae. It is native to Europe, western Asia, and locally in northwest Africa. It is also locally naturalised in New Zealand, Tasmania and eastern North America. "Prunus spinosa" is a large deciduous shrub or small tree growing to tall, with blackish bark and dense, stiff, spiny branches. The leaves are oval, long and broad, with a serrated margin. The flowers are about in diameter, with five creamy-white petals; they are produced shortly before the leaves in early spring, and are hermaphroditic and
Prunus tangutica Prunus tangutica Prunus tangutica () is a species of wild peach native to China. Based on its fruit traits it had been considered a wild almond, but genetic and morphological studies have shown that it is more closely related to "Prunus persica", the cultivated peach, with its closest relative being "Prunus mongolica". It is a very dense spiny shrub or shrubby tree, usually 1 to 2.5m tall but reaching 4m, preferring to grow on sunny slopes and alongside streams at 1500 to 2600m, but found as high as 3400m. Its flower petals are a pale pink, and its velutinous (velvety)