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 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