I dunno, I'm no expert on gum trees. The bark does look sycamore-ish though the thing I most associate with Sycamore are the itchy-bombs they produce that are fun to step on:Highly doubtful they are correct . . . . A fast Google will make it clearer why I said that. And the two I planted outside my kitchen window 16 years ago.
*Mainly I was in it for the "bark not bite" and "flakey" puns.