Pachystegia and Passiflora, are in the family of Passifloraceae?
Passiflora Passiflora, known also as the passion flowers or passion vines, is a genus of about 500 species of flowering plants, the type genus of the family Passifloraceae.
Eustegia Eustegia is a genus of vines in the Apocynaceae, first described as a genus with this name in 180. It is native to southern Africa.