Passion-flower family, also known as the Passifloraceae family, is a group of plants that are known for their unique and intricate flower structures. There are several synonyms for the term "passion-flower family," including "passionvine family," "passionfruit family," and "passionflower order." These synonyms have a similar origin and denote the same group of plants. Members of the passion-flower family are distributed in tropical and subtropical regions of the world, with some species being used for medicinal purposes and others cultivated for their edible fruits. The family is diverse and includes plants of different shapes and sizes, from shrubs to climbers, making it an interesting and varied group to explore.