Nomenclature : D'après
Tropicos: "This name can be legitimately published and has priority over earlier subfamily names because it includes the type of a conserved family name,
Dialypetalanthaceae Rizzini & Occhione (
Art. 19.5 of Shenzhen Code). This name has priority in our current Rubiaceae taxonomy over
Ixoroideae Raf., 1820 and also
Cinchonoideae Raf., 1820, which are not based on the type of a conserved family name and in various circumscriptions include
Dialypetalanthus."