It depends on which species it is.
Many species are edible but not all.
Vegetative
cherries; apples; strawberries; others start by flowers, then form into fruit in time.
After pollination, fertilization takes place. then the ovaries grow into fruits and ovules grow into seeds. That Is All.
No flowers are not the vegetative organ of the plants. It is the reproductive organ since from flowers seeds arise in the form of fruits. Flower's vegetative organ are the leaves and some of the buds that arises from the nodes of the plants.
The tree requires to attract pollinators to the flowers before the fruit can form. The flowers on the plants on the ground can be pollinated by passing animals moving their pollen around.
Aggregate fruits form from single flowers that have multiple carpels which are not joined together, i.e. each pistil contains one carpel. Compound fruits are combination of aggregate fruit and Multiple fruit. Multiple fruit is fruits of separate flowers, merged or packed closely together.
The possessive form for the plural noun flowers is flowers'.
Bunches of mango fruits develop on its inflorescence. Infact the ovary of some flowers form fruit on mango plant.
None that I know of. If there are any, they are the exception rather than the rule. The female flowers have the ovary part which gets fertilized by the pollen from the male flower, and this ovary then enlarges to form a fruit.
Fruits are the matured form of the seeds.
They form flowers
The plural form of the noun flower is flowers.The plural possessive form is flowers'.Example: The flowers' colors brightened the room.