The Tree of the Mimosa Family is a group of trees that includes ACACIA (6 letters) and INGA (4 letters). ACACIA is a genus of shrubs and trees belonging to the subfamily Mimosoideae of the family Fabaceae, while INGA is a genus of flowering plants in the legume family Fabaceae. Both genera are native to tropical and subtropical regions of the Americas. They are known for their fragrant flowers and attractive foliage.