Looks like some plastic got stuck in your elm!?
Ah, this is a weird alien growth from a distant planet . It gives personality to the tree.
BTW, your Deshojo is sooo nice! I love the pot.
Hey, Orlando, what a nice little tree! Colour of the pot also, and those flowers! WoW!
It seems we have VERY shy people around this forum; where are your trees guys???
A deciduous Bougainvillea in winter, will change pots in the Spring: