explains the female's reproductive organs of a flower in flowering plants
Answer Details
The gynoecium is the collective term for the female reproductive organs of a flower. It consists of one or more carpels (also called pistils), each of which typically comprises three parts: the stigma (which receives pollen), the style (a slender stalk connecting the stigma to the ovary), and the ovary (which contains the ovules that develop into seeds after fertilisation).
The androecium is the male reproductive part of a flower, made up of stamens (each with an anther and filament), so it is the opposite of what the question describes. Monocarpous and polycarpous are terms that describe specific types of gynoecium: monocarpous means the gynoecium has a single carpel, while polycarpous means it has multiple free (unfused) carpels. These are subtypes, not the general term for the female reproductive organs as a whole.
When identifying flower parts, remember that the gynoecium (female) and androecium (male) together make up the essential (reproductive) organs, while sepals and petals form the accessory (non-reproductive) parts.