What is this plant? It just started showing up in my yard. There are now 5 between me and my neighbors houses. I have a neuro atypical nephew that stays with me and loves to eat leaves so I need to make sure its safe.
These are maples. Probably Acer platanoides or Acer rubrum, but I am not sure.
Take a look at this question for identification:
This guide will tell you something about whether maple leaves are poisonous:
No matter what, I would advise you to remove them, just in case.