Pluots, plumcots, apriums and peacharines! Who comes up with this stuff?! Aren’t good old fashioned plums, apricots, peaches and nectarines good enough? Who decides that these weird hybrids are somehow better than their parents? Some of them are actually quite weird, or downright ugly. Several do not even look like they would taste good. It may be an acquired taste; but I have all the good taste that I need without acquiring any more.
Some old classic cultivars (cultivated varieties) of fruit were develop centuries ago. More have been evolving from those ancestors since then. Some were intentionally bred from parents with desirable qualities. Others just grew incidentally where their seed fell, and were found to be somehow better than their parents. Some were merely discovered as natural occurring mutants, and perpetuated for their superior qualities. It is a slow process.
So, putting two different kinds of fruits together, or…