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 darvasica Prunus darvasica Prunus darvasica, the Darvaz plum, is rare plant endemic to Tajikistan. It is found in the Tajik portion of the Pamir Mountains, the Darvoz Range. There, the plants grow as shrubs 1.5-2.5m tall. The fruit are small (2cm) but otherwise typical plums, nearly black, with a blue waxy coat. The pit is brown. The fruit is edible and can be made into jam or compote. It is suspected that "P. darvasica" is of hybrid origin, as it is a tetraploid with 48 (or 32, depending on the source) chromosomes, possibly the result of "P. domestica" × ("P. prostrata"