Watering plants can be fun after all!
how and why?
Based on the fact we also see a leaf open up I suspect it has to do with the preassure of the water holding the flowers and leaves closed and then the water levwl decresing just enough for the surface tentio to become grater than the preassure of the water and pulling the petals and leaves out
Ding ding ding! Here’s the winner!
But seriously, yes this is what was happening. It was a big pot with a lot of weeds in it including these little flowers.