Damson

·noun A small oval plum of a blue color, the fruit of a variety of the Prunus domestica;

— called also damask plum.

damson, native
n. called also Native Plum,an Australian shrub, Nageia spinulosa, F. v. M., N.O. Coniferae. 1889. ...

Dictionary of Australasian Words Phrases and Usages by Edward E. Morris
native damson
n. See damson. ...

Dictionary of Australasian Words Phrases and Usages by Edward E. Morris