Tree nuts is a general term for nuts that grow on trees. The term does not refer to one specific nut.
a pistachio, walnut, coconut, almonds, cashews, pecan, hazelnut, chestnut, Brazil nut, beechnut, bush nut, butternut, filbert, Ginko nut, hickory nut, lichee nut, pine nut, Shea nut, nangai nut, and...
Kill it.
Walnut tree