the pineapple fruit grows out of the top of the central stem. The fruit is actually the result of dozens of individual fruit-producing flowers that have fused into a single fruit, which is capped with a "crown" sporting numerous short leaves.
unlike most fruits, pineapples are not grown from seeds. Common commercial varieties of pineapples are "self-incompatible," meaning that the plants' pollen cannot fertilize members of the same variety. So unless different varieties are grown next to one another and flower simultaneously, the plant will produce a seedless fruit that develops without fertilization '