Wind pollinated.  Dioecious.  According to Huegel (2010), the flowers attract insects. Plant tree in areas where fallen fruit will not be an issue.

This  little plant produces two flowers with ovaries that fuse into a single fruit. Typically grown as a curiosity. This is a very small plant that acts as a groundcover with the caveat that the plants are very small. Keep it in a natural forested setting or establish in such an area.