 Female and male flowers in each syconium mature at different times . Female wasps enter the syconium and lay eggs in the female flowers as they mature . These eggs later hatch and the progeny mate . The females of the new generation collect pollen from the male flowers , which have matured by this point , and leave to visit other syconia and repeat the process . A field study in Brisbane found that F. obliqua trees often bore both male and female syconia at the same time — this could be beneficial for reproduction in isolated populations , such as those on islands . The same study found a slightly reduced number of male phase syconia in winter , thought due to increased mortality of the wasp pollinator in cooler months . 
