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 is assumed must be Marcus Terentius Varro. Prunus Prunus is a genus of trees and shrubs, which includes the plums, cherries, peaches, nectarines, apricots, and almonds. Native to the northern temperate regions, there are 430 different species classified under "Prunus". Many members of the genus are widely cultivated for their fruit and for decorative purposes. "Prunus" fruit are defined as drupes, or stone fruits, because the fleshy mesocarp surrounding the endocarp (pit or stone) is edible. Most "Prunus" fruit and seeds are commonly used in processing, such as jam production, canning, drying or roasting. Members of the genus can be