Looks like an angiosperm

Thanks, S G.

Is it a succulent seedling?

Looks like it so far. Got to give it some time. I have gotten several different and strange plants over the years. Becomes known after a year but never owned any and can't guess where they come from. Living in zone 6 and these are zone 10 hardy plants means it can't be birds or even wind storms. But who knows.

I just checked, It may not survive the cold temperature because it was outside.

Darn, Looks like we may never know.