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 maximowiczii leaves of "P. maximowiczii" are green; and those from the fruit, a dark grey to green. Chemically, amygdalin and prunasin, the derivatives of which produce prussic acid as well as Genistein can be extracted from "P. maximowiczii". Prunus maximowiczii Prunus maximowiczii, known as Korean cherry, Korean mountain cherry, or Miyama cherry, is a small (about 7.5 m), fruiting cherry tree that can be found growing wild in northeastern Asia and Eurasia. The species was first described in 1857 by Franz Josef Ruprecht. It was treated in the genus "Cerasus" (now generally accepted as a subgenus of "Prunus") by Vladimir Leontyevich