KEY TO THE SPECIES

1Trees without pneumatophore roots; leaf blades mostly obtuse to shortly acuminate at apex, only rarely rounded (and then not exclusively so), broadly cuneate to subcordate at base
1'Trees with pneumatophore roots; leaf blades emarginate at apex, only rarely with some (but not all) leaves on a plant with rounded or apiculate apices, cuneate and decurrent onto petiole at base