Passifloraceae is a family of flowering plants that includes over 500 species. The family is native to tropical and subtropical regions, with most species found in Central and South America. Passifloraceae includes many economically important species, such as passion fruit (Passiflora edulis) and granadilla (Passiflora ligularis). Other members of the family are used for food, medicine, and ornamentals. Some species are also used as rootstocks for grafting other plants.