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Young cutting showing dimorphism, meaning two different leaf shapes. In this case single & 3 lobed leaves. This is a characteristic of its female parent P. antioquiensis which just appears rarely on P. exoniensis. It is common for juvenile & adult foliage to be different in many plants, but is far rarer for adult plants to produce adjacent leaves that are so different. Some other Passiflora, like quadriglandulosa & suberosa, also produce widely varied leaves as a defence against predators which then cannot recognise it. As P. antioquiensis is pollinated by hummingbirds, it would make sense that it would evolve to put off predators such as butterflies.
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Passiflora x exoniensis dimorphic leaves