Which one of the following plants shows a very close relationship with a species of moth, where none of the two can complete its life cycle without the other?

Very close relationship exists with a species of moth and Yucca plant . Both cannot complete their life cycles without each other. The moth deposits its eggs in the locule of the ovary and the flower, in turn, gets pollinated by the moth. The larvae of the moth come out of the eggs as the seeds start developing.