More likely the scion died and the root stock took over. It wouldn't have grown the same plum or flower. You didn't coppice it when you removed it. Coppice i

More likely the scion died and the root stock took over. It wouldn't have grown the same plum or flower. You didn't coppice it when you removed it. Coppice is when a tree is "topped" like a haircut and then it grows back. Not all trees are suitable for coppicing, but the ones that do grow back vigorously and are great for firewood / lumber.