Helophytic, or mesophytic, or xerophytic.
Leaflets pulvinate, or epulvinate.
Leaves without a persistent basal meristem. Leaf anatomy . Mucilaginous epidermis present, or absent. Stomata anomocytic, or paracytic, or anisocytic, or tetracytic, or cyclocytic. Secretory cavities containing oil, or containing mucilage, or containing resin.