Prunus domestica their sweetness and tartness may vary, their colors varying from bluish-purple to red, orange, yellow or light green. Prunus domestica Prunus domestica (sometimes referred to as "Prunus × domestica") is a species of flowering plant in the family Rosaceae. A deciduous tree, it includes many varieties of the fruit trees known as plums in English, though not all plums belong to this species. The greengages and damsons also belong to subspecies of "P. domestica". Its hybrid parentage was believed to be "Prunus spinosa" and "Prunus cerasifera".; however recent cytogenetic evidence seem to implicate 2x, 4x, 6x "P. cerasifera" as the
Prunus pseudocerasus has been cultivated for its edible (if tart) fruit for around 2000 years. In Japan it is favored as an ornamental tree for its tendency to bloom, flowers before leaves, earlier than the Japanese cherry "Prunus serrulata". A tetraploid with 2n=32 chromosomes, it is used as rootstock for other flowering cherries. It is the parent of a number of hybrid cultivars. It is resistant to the fungal disease cherry leaf spot. Prunus pseudocerasus Prunus pseudocerasus or Prunus pseudo-cerasus, the Chinese sour cherry or just Chinese cherry, is a species of cherry native to China and is used worldwide as an