mine is doing exactly the same thing i have been dying all day to find out what the hell these things are i have 2 plants from what ive seen so far 2 females but at the moment ive noticed lumps forming and have been told by someone that its a form of basically like scaffolding it grows a bit inbetween the stems to be able to take the weight of the bud stem..but i ask myself why are u cuttin ur fan leaves off at this stage ? i have problems of light hittin my bud sites because of the fan leaves isnt it bad to cut off the fan leaves at this stage or at any stage of flowering? it makes the bud stem grow shorter than it supposed too..