They wither and fall off
If the corn flower is pollinated, it will eventually drop the petals and form seeds. if it is not pollinated, it will wither and die.
The petals wither away
The petals wither away
they will wither and fall off
When a flower grows in bad conditions it is unlikely to strive. The plant may wither and die, or develop diseases.
After flowers wither, the flower will become a fruit because of pollination.
They wither as their function is complete (attracting pollinators), they wither and detach from the plant so that they don't consume any more of the plants resources
fruit
If the flower has been pollinated a seed pod will develop.
The sole purpose of the flower is to attract a pollinator. Once the flower has done it's job it is superfluous so is discarded to save energy.
During drought plants will wither (or dry out)