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==Reproduction== ''Cecropia'' species have staminate and pistillate flowers on separate trees, more commonly referred to as a dioecious species. The fruits are [[achene]]s enveloped by a fleshy [[perianths]], oblongoid, elliptic, subobovoid or subovoid.<ref name="BRD"/> The [[pericarp]] is tuberculate in most species, although it is smooth in some species.<ref name="BRD"/> Seeds can be viable for more than five years and germinate when triggered by full sunlight and changing temperatures.<ref name="BRD"/> Full-grown ''Cecropia'' trees can produce up to a million seeds, and this regular presence of fruits allows this genus to play a major role in the ecosystem. It is often the keystone food supply for frugivorous animals, such as birds, fruit bats, monkeys, opossums, and even fish.<ref name= "Lok"/> ===Pollination and dispersal=== Traits of the staminate flowers and [[inflorescences]] are adapted to wind pollination- either by pendulous spikes, which can be moved by the wind to shed the pollen or by the special adaptation of detachment of anthers, and their secondary attachment allowing the shedding of pollen by motion of anthers.<ref name="BRD"/> The dryness and its easy release by movement make it ideal for wind pollination. Wind pollination is the dominant form, but insects, small beetles, and flies can be pollinators. In the Neotropics, toucans and other birds help disperse the seeds of species with short infructescences, while bats are associated with species with long peduncles and spikes. Species growing near rivers, though, are usually dispersed by water.<ref name= "Lok"/>
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