naw man, you're good. It's just a knuckle that got built up from that branch bouncing around in the breeze.
Good stuff, haha. Have you tried searching for an image of a cannabis pollen sack? It's quite distinct, it hangs off of the plant itself and looks like little leafy ornaments. It looks as though your plant is not flowering at all. Feel free to post a picture of the top if you want a definite answer though.