The flower of black passionfruit (top) is about 5 centimetres wide, and has a distinctive crown of white-tipped filaments with purple bases between the petals and the anthers. Black passionfruit (bottom) are spherical or egg-shaped with a thick purple rind when ripe. Their edible interior consists of dozens of black seeds in a juicy orange pulp. The fruit are high in vitamin C and have a sweet tangy flavour. They are eaten fresh or processed for juice.