Family: Rosaceae (Rose family).
Native of Europe & Asia.
Occurrence: Scattered, often near townships and old house sites.
Identification: There are several species of plum that grow as weeds.
Plums and Cherry-plums are widely grown, and these may be spread from garden refuse, by animals or from discarded stones.
Photos 1: Flowers and developing plum.
2: Flowers. Cherry Plum. 3, 4: Cherry Plum and Plum. Castlemaine