Are magnolia tree leaves poisonous to people?

I could find no reference to Magnolia of any type being toxic to chickens. I have included a link for you to look at. Poultrysite is a very good link for this type of information.

Some tree sap can be poisonous to people. It depends on what tree(s) you are wanting to find the answer to.

No,lemon tree leaves are not poisonous. It's even used to wrap food, Check out the link below of a recipe that uses lemon tree leaves to wrap meatballs.

As mulberry berries are eaten the leaves should not be poisonous.

Some are and some aren`t call your local book store and ask them they should be able to tell you which ones your hamster can have.