Plant Parts – Flowers The pistil usually is located in the center of the flower and is made up of three parts: the stigma, style, and ovary. The stigma is the sticky knob at the top of the pistil. It is attached to the long, tubelike structure called the style.

What is the function of stigma?

The stigma receives pollen and it is on the stigma that the pollen grain germinates. Often sticky, the stigma is adapted in various ways to catch and trap pollen with various hairs, flaps, or sculpturings.

What is the function of thalamus in flowers?

The Thalamus is Located near the stalk of the flower. Functions: The thalamus is a modified stem as it possesses distinct nodes and internodes. It supplies nutrients to flower just like stems transfer it to leaves.