My hermy looks different
I too am fighting this battle but my girls are growing little bunches of banana like little organs growing in groups of 1 to four from the center of a perfectly female flower.(see picture)
Your photo looks to be clusters of stamens emanating from the stem.
Your story of seeing pollen dust is interesting in that I believe I have plucked all the male parts while still juvenile and I have seen no developed sacks.
I am expecting a delivery of Duch Master Reverse which offers to, get this, Reverse the problem via the magic of foliar phospholipid applications.
I have few options as my tent is an outdoor light deprivation setup.
I know, less light - more deprivation.