Gynoecium is most commonly used as a collective term for the parts of a flower that produce ovules and ultimately develop into the fruit and seeds. The gynoecium is the innermost whorl of a flower. It
Flower of Magnolia × wieseneri showing the many pistils making up the gynoecium in the middle of the flower
Hippeastrum flowers showing stamens, style and stigma
Hippeastrum stigmas and style
Moss plants with gynoecia, clusters of archegonia at the apex of each shoot.
In flowering plants, an ovary is a part of a flower's female reproductive organ. Specifically, it is the part of the pistil which holds the ovule and is located above or below or at the point of conne
Gynoecium
…The gynoecium may consist of one or more separate pistils. A pistil typically consists of an expanded basal portion called an ovary, an elongated section called a style and an apical structure called a stigma that receives pollen. The ovary (from Latin ovum, meaning egg) is the…
Longitudinal section of female flower of a squash showing pistil (=ovary+style+stigma), ovules, and petals. The petals and sepals are above the ovary; such a flower is said to have an inferior ovary, or the flower is said to be epigynous.
Cross section of a tulip ovary
The orange is a simple fruit called a hesperidium. It is the mature ovary of a single orange blossom. Though it seems to have sections when cut open, all of these sections together come from a single ovary that develops into different layers.
The raspberry is an aggregate fruit. Each raspberry develops from one flower, but its flower has many ovaries that become the small circular drupes making up the raspberry. There is a seed in each drupe.