Iris-Wisteria is a surname. And she will reveal her name only to the one who chooses her and with whom she will live.
I can’t say for sure what her origin story was. Perhaps one day the iris got confused about who he wants to become more – and turned into a drakogem. Or the Baby Dragon couldn’t choose between a flower and a jewel. Or maybe this is how treasures come to life, dreaming of blooming and flying…