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 persica × Prunus americana tree is included in the Purdue University book "Fruit Breeding", Volume 1. The hybrid at Broadus, Montana has never fruited as the flowerbuds have all winterkilled. The hybrid has bloomed in Pennsylvania and the blooms are sterile. As of 2013, the hybrid near Broadus is still alive. Prunus persica × Prunus americana Prunus persica" × "Prunus americana is the hybrid between the peach "Prunus persica" (often a nectarine) and the wild American plum "Prunus americana". Hybrids were obtained in the 1940s at the University of Minnesota, and have been used in subsequent breeding, such as in the parentage of a