The fruit being described is large and egg-shaped, and grows on a vine that is related to the passion flower. While still green, the acid pulp of the fruit is cooked as a vegetable. When fully ripened, the fruit can be eaten raw or used to make marmalade.
Granadilla is the fruit of the passion flower, which boasts of numerous varieties, each bearing fruits of varying sizes and colors. The most commonly grown variety in the United States is the larger type, which has seedy pulp that resembles that of a pomegranate. Other varieties of granadilla are cultivated in tropical climates, with the smaller and darker ones often being more juicy. Despite their unattractive appearance, granadillas have a delightful and refreshing flavor. They are typically served as a dessert fruit and can also be used to make ices and other desserts. Granadillas are available in both fresh and canned forms, with the latter being canned in syrup.