Prunus × rossica
Prunus × rossica, the Russian plum, is a hybrid cultigen between cherry plum and Chinese or Japanese plum. It is of commercial importance in the European Russia, and there are many cultivars developed there, such as 'Gek', 'Desertnaya', 'Kubanskaya Kometa', 'Obilnaja'.
In the US, a few cultivars have also been developed, such as Sprite Cherry-Plum and Delight Cherry-Plum.
The South African cultivar 'Methley' is also a cultivar of P. × rossica.