"Wild passionfruit" redirects here. For the true wild passionfruits, see Passiflora.

Wild passionfruit, or (locally) "caperbush" is an Australian native plant. It is a subspecies

Subspecies

Subspecies in biological classification, is either a taxonomic rank subordinate to species, ora taxonomic unit in that rank . A subspecies cannot be recognized in isolation: a species will either be recognized as having no subspecies at all or two or more, never just one...

 of the caper

Caper

Capparis spinosa, the caper bush, is a perennial winter-deciduous species that bears rounded, fleshy leaves and large white to pinkish-white flowers. A caper is also the pickled bud of this plant...

.

Its name in the Arrernte language of Central Australia

Central Australia

Central Australia/Alice Springs Region is one of the five regions in the Northern Territory. The term Central Australia is used to describe an area centred on Alice Springs in Australia. It is sometimes referred to as Centralia; likewise the people of the area are sometimes called Centralians...

 is Merne arrutnenge.

Wild passionfruit is a tasty bush tucker food. When it ripens, the skin goes orange, splits open and the little black seeds become visible. It is then ready to eat. The seeds are hot and spicy when crushed. It grows prolifically in riverbanks in the desert.