This discussion brings up an issue of concern to me. When these ridiculous cultivar names, such as P001S, are used, they're the key to the alphabetization of the plant. This puts Fire Spinner on the "P" page of the Delosperma genus. This makes our database somewhat user-unfriendly, in my opinion. I'm accustomed to looking up cultivars alphabetically. I would look for Fire Spinner on the "F" page and assume it's not in the database. I'm never going to remember or look up a name like P001S.
Is it at all possible that this is a temporary name used for patenting purposes? Roses have odd registration names, such as WEKbepmey, but the exhibition name of that rose is 'Strike It Rich' and no one would say that the cultivar name is WEKbepmey or file 'Strike it Rich' under "W" in a rose database.