The term âhalf and halfâ shows up very frequently in cooking and baking recipes in the US, but it is not particularly well known outside of the US (or the term refers to something completely different). When it appears in a recipe, it sometimes generates a little confusion as to what it is.
Note that the purple passion vine (Gynura aurantiaca) is unrelated to the Passiflora species and is considered nontoxic to dogs, according to the American Society for the Prevention of Cruelty to Animals. Purple passion grows in USDA zones 10 through 12. 1  Dig This.
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. They are mostly vines, with some being shrubs, and a few species being herbaceous. For information about the fruit of the passiflora plant, see passionfruit.