There are 2 types: the bright yellow type, also known as Golden Passion Fruit, and the smaller purple type.
Passiflora edulis or passion fruit or "'Maracuya (spanish)", or "'Maracuja (portuguese)" is a plant cultivated commercially in frost-free areas for its fruit. It is native to South America and widely grown in India, New Zealand, the Caribbean, Brazil, Colombia, Ecuador, Indonesia, California, southern Florida, Hawaii, Australia, East Africa, Israel and South Africa. The passion fruit is round to oval, yellow or dark purple at maturity, with a soft to firm, juicy interior filled with numerous seeds. The fruit can be grown to eat or for its juice, which is often added to other fruit juices to enhance aroma. ... In Indonesia it is eaten straight as a fruit. It is also common to strain the passionfruit for its juice and cook it with sugar to make thick syrup. Bottles or plastic jugs of concentrated syrup (generally produced in Sumatra from fruit grown in the Lake Toba region) are sold in many supermarkets.
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the king of fruit, loved by locals, hated by most travellers - native to Malaysia and Indonesia