HORTICULTURE

Detailed explanation-1: -The top of the pistil is called the stigma, which is a sticky surface receptive to pollen. The bottom of the pistil contains the ovary and the narrowed region in between is called the style. The male contribution or pollen is produced in the anther, and seeds develop in the ovary.

Detailed explanation-2: -Stigma is the top swollen part of the pistil in the female reproductive part of a flower. Pollen grains from the anther of stamen part of the flower are released and land on the stigma of the flower. Stigma is sticky so that the pollen grain can attach to it.

Detailed explanation-3: -Its individual unit is called megasporophyll or carpel. It consists of an ovary, stigma, and style. It is the female reproductive organ of the flower. The stigma is the top and sticky portion of a carpel or pistil that traps pollens.