There are four young fruit trees next to the sidewalk at a rental highrise building in my neighbourhood. The apple tree has at least three cultivars. Another tree has a label saying Puget Gold Apricot. So not your normal Vancouver street-side plantings. The tree pictured here has cherry bark and leaves with nectaries and sweet cherry leaf margins. But the fruits are not in an inflorescence. The fruit arrangement reminded me of Prunus salicina plums, so I looked up P. avium and P salicina hybrid, and I found this page: https://en.wikipedia.org/wiki/Plum-cherry_hybrid, saying that plerry and cherum are hybrids of those two species. I was wondering if I had got this right, but the page says some of the hybrids look more like cherries, some more like plums, so I think I've got the right idea here, and there are more than one cultivar name in the running. Presumably where Wikipedia says plerry (more like a plum) or cherum (more like a cherry)", they're referring to the fruit, not the appearance of the tree. Here is a page for a trademarked Sweet Treat Pluerry ™: Sweet Treat Pluerry ™ - One Green World.