I been told that a female plant, once it reaches full budding potenial and the plant nows its going to die it will produces various seeds to drop and continue its life this is how it happens nature. I only now this because I sent my friend a picture of grow in what I thougt was the end he said let it go a good week longer. What a differnce a week make, by the way my friend is a horticulterist for a company up north. After that week and drying I donated some to my cancer friend he found a seed but lost it, my friend said its garunteed female seed the plant was trying to reproduce.