From your picture, this is a plant called egg fruit.

Egg fruit (herbaceous vine of the Passiflora family)?

Egg fruit, also known as passion fruit, is a herbaceous vine of the genus Passiflora in the Passiflora family. About 6 meters long; stems have fine stripes and are hairless; petals are 5, as long as the sepals; base is light green, middle part is purple, top is white, berries are ovoid, 3 to 4 cm in diameter, hairless, purple when ripe; seeds Most, ovate.

The flowering period is June and the fruiting period is November.