Location: Where is the Stigma Located on a Flower
Structure
Shape
Function: What Does the Stigma Do in a Flower
First, the stigma captures the pollen. Next, as the pollens stick to it, the dry pollen grains get rehydrated or germinated. The stigma then transmits hormonal signals to the pollen grains directing them to elongate into the pistil, forming a pollen tube. Summarizing the functions:
Receives pollen grainsGerminates pollen grainsHelps in the formation of the pollen tube.
