Prunus, genus of more than 400 species of flowering shrubs and trees in the rose family (Rosaceae). The genus Prunus is native to northern temperate regions. It has a number of economically important members, including the cultivated almond, peach, plum, cherry, and apricot. In addition, many species flower prolifically and are grown as ornamentals.

Prunus is a large genus of great economic significance, containing many familiar and important fruit crops. In gardens, the Japanese ornamental cherries, including 'Tai Haku' (illustrated), are arguably the most significant group. Image Tom Christian.