I had a gorilla glue which grew just like that this year, same shape and same bud structure..it hasnt hermied but the buds grow like small rose buds instead of the classic bud shape with loads of hairs coming out. i messed mine up half way through flower but still got some cloudy tricomes on the buds that were left so i am going to use it to infuse some alcohol. by the time i picked out all the leaf material i ended up with an Oz
Calyxes just look closed up is all. They do that as a stress response with temps too high or even too low (winter grows), and some strains especially indica leaning ones just grow that way.