Originally Posted by theweedman420
Yea just flipped to 1212 and one plant already has white hairs all over this norm.. First time I seen this 24 hrs after flipping lol not saying it's a bad thing but its only the 1 plant
They were probably there before the flip. Takes more than 24 hours to grow a mature pistil.
I would guess that your plants are at least 3 weeks old. As they get older in veg, some of them start growing pistils.
And some females won't show pistils even after 2 weeks of 12/12 (though that's unusual, possibly related to lack of water).