Complex sentence: With over 530 species an extensive hierarchy of infrageneric ranks is required to represent the relationships of the species, and the infrageneric classification of "Passiflora" not only uses the widely used ranks of subgenus, section and series, but also the rank of supersection.
Split into simpler sentences: With over 530 species, an extensive hierarchy of infrageneric ranks is required to represent the relationships of the species. The infrageneric classification of "Passiflora" not only uses the widely used ranks of subgenus, section and series, but also the rank of supersection.