More info about filament: http://www.urbanext.uiuc.edu/gpe/case4/c4facts1a.html

A text summary of the clickable map above, meant for web-crawlers and other automatic tools:
filament included in male part
filament supported by ovary wall
filament has function aids in pollen dispersal
filament supports anther
filament part of stamen
filament part of flower