General aspect and origins - Passiflora quadrangularis, also known as the giant granadilla, is a big passion vine, with the biggest fruits of the Passiflora genus. This vine is native to Tropical America, and is naturalized in many places in the world. In these tropical regions, this vine can reach 150 ft (45 m) long. However, when grown in containers, this vine will then be more moderately sized.
Leaves - The giant granadilla has big entire leaves, that can be 10 in (25 cm) long. The stems are 4-angled, hence the scientific name "quadrangularis".
Flowers - This vine also has big showy fragrant flowers. They are about 5 in (12 cm) wide. The petals are purple, the sepals are white, and the corona is purple-blue.
Fruits - The giant granadilla is a large and heavy fruit, that can be 12 in (30 cm) long. When fully ripe, this fruit is yellow, and slightly 4-angled.
The giant granadilla is generally eaten fresh and fully ripe. The unripe fruit may be also boiled and served as a vegetable. It can also be canned, candied, or processed for juice production.