:-D It is fun being an amateur plants person. Could it be a "sport" of another vertical or thick leaf variety?? I have recently learned about "sports" That's one way new varieties are started. and I didn't think I liked mysteries Good job Toni, I'll take the photos into my garden center also, but I am not holding out much hope. You always knew George was special and we are just proving how special he/she really is.
To narrow the search down a bit, don't think new species, sport, hybrid, etc. This plant was bought back in the 1960's probably at Gibson's....a really early version of KMart. I don't imagine the store offered anything but the standard, common annuals, perennials and houseplants.
Ahhh...They offered one plant that was unusual.... That does not seem to be in the mainstream of offerings today. I can just picture 100 Stewbies poring through books and web sites saying no.....no.......no not that one.... We are reviewing plants we would never had done otherwise....great exercise. Jerry