There is nothing on that plant showing female. This is a full blown male.
I have a combined 17 years working with the 2 strains that made Grass Monkey. I have bred with both in both directions and have never had any signs of inner sexing.
You have photographed an underdeveloped stipules. There is no calyx present, nor are there 2 pistils present, and itās not even at the correct place on the branch.
For reference.