 The simple pits are located along the vessel wall and in contact with the parenchyma.Leaves are deciduous or evergreen, usually alternate (rarely opposite), estipulate (without stipule) and imparipinnate (rarely paripinnate or bipinnate), usually with opposite leaflats (rarely alternate), while others are trifoliolate or simple or unifoliolate (very rarely simple leaves are palmate).Leaf architecture is very diverse.