1) Dicot family 2) Family juglandaceae 3) Magnoliopsid family 4) Walnut family 
Juglandaceae, also known as the walnut family, is a family of trees, or sometimes shrubs, in the order Fagales. Various members of this family are native to the Americas, Eurasia, and Southeast Asia. Members of the walnut family have large, aromatic leaves that are usually alternate, but opposite in Alfaroa and Oreomunnia. The leaves are pinnately...
[n] - trees having usually edible nuts: butternuts