What kind of flower is this?

Thanks once again Brian, Rose and Larry for comments you made since I wrote my previous thank you response

Brian,

Back in the 1940s, all college prep courses were the same for all subjects except for a mandatory foreign language, which divided into two categories:
College majors leading to careers in medicine, law, theology and general sciences had Latin as its requirement. However, for technical majors especially engineering, German was obligatory. I was in the latter group and got 3 years of German, 3 of French and one in Spanish. The Italian I picked up in situ (read Florence/Firenze) where I studied graphic arts for two years

Thanks for the info re Wedelia. Claudia, who was born with a green thumb, is lucky at transplanting all sorts of things. She'd be happy to see the wedelia bloom in her backyard garden and not worry if it lives only as an annual plant.
Would it help to have a sandy soil? Any idea about proportion of sand?

Rosita,

I mis-read what you wrote, but the invasiveness problem can be avoided, I think, by putting the wedialia in pots. But when the winds blow, hmmm, it may propogate. Then again, it would die off at first frost, right? No es un problema, verdad?

Larry,

Are wedelias surviving in your pots in TN? Or did I misunderstand, perhaps you meant it's pot your growing in the pots. Joking, of course and LOL.