Would you think this is some kind of Jasmine?
Am pretty sure it's some kind of citrus, but I can't tell which one. They might have a good guess over in Citrus Forum, or you could just wait and see what grows when those luscious flowers fall off. I'm almost doing a Pavlovian swoon just looking at your picture!
Here is a link that might be useful: Calamondin orange
Mash the leaves, smell if there is any citus-like order.
Yeah, looks like a nice healthy citrus to me too.
I agree it's a citrus -wonder if it can survive winter inside.
Now it is ready to eat ...
Strange, I remember there is a citrus forum. But I do not see it in the list.
Your little tree looks great! There's a citrus forum on GW.
Here is a link that might be useful: citrus forum