Passiflora ambigua or Passion Flower is a very rare Passiflora that grows very fast and becomes very big. The flowers have pink petals and sepals, the filaments are white streaked with red and purple. They measure 10-13 cm in diameter and spread a very unpleasant smell.
The flowers are followed by green fruit, turning Yellow when ripe. It is one of the most tropical of the passionfruit varieties, and a major commercial crop used in fruit juices.