Prunus apricots, of cherries, and of plums, all of which have cultivars developed for commercial fruit and nut production. The almond is not a true nut, the edible part is the seed. Other species are occasionally cultivated or used for their seed and fruit. A number of species, hybrids, and cultivars are grown as ornamental plants, usually for their profusion of flowers, sometimes for ornamental foliage and shape, and occasionally for their bark. The Tree of 40 Fruit has forty varieties grafted on to one rootstock. Species such as blackthorn ("Prunus spinosa"), are grown for hedging, game cover, and other utilitarian
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)