Oleaceae (17 species)
Lamiaceae (14 species)
Bignoniaceae (11 species)
Scrophulariaceae (6 species)
Plantaginaceae (4 species)
Verbenaceae (3 species)
Acanthaceae (2 species)
Martyniaceae (1 species)
Pedaliaceae (1 species)
Paulowniaceae (1 species)