It is often confused with what could be its twin, Rubus pentalobus. The branches of both plants look lovely in cut flower arrangements. I do not own a Rubus pentalobus, but it has such a fun name to say ROO-bus- pen-tah-low-bus that I couldn't resist including a reference to it in this post. ROO-bus-pen-tah-low-bus.
This almost sounds like supercalifragilisticexpialidocious. And, indeed, these plants seem quite precocious, as you might guess from these two photos of my Rubus calycinoids. Um diddle diddle diddle um diddle ay, Um diddle diddle diddle um diddle ay . . .