What would this do (it has to be plant related)

I think it would be cool in PvZ if it like purposely withered and died when the zombies ate it so it could spread some sort of zombie killing disease pathogen to them

That is a mario power up

Oh then it would let him make a energy shield around him to stun enemies like goombas so they would stay still for a short period

turns you into weed

photosynthesis

Speak but not annoyingly as the flower from Mario Wonder