The order Fabales contains around 7.3% of eudicot species and the greatest part of this diversity is contained in just one of the four families that the order contains: Fabaceae.
A orde Fabales contén cerca do 9,6% da diversidade de especies das eudicotiledóneas e a maior parte desa riqueza concéntrase nunha das catro familias que o compoñen: Fabaceae.