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What Is a Stigma in a Flower?
What Is a Stigma in a Flower?. Every part of a flower serves a purpose. The stigma is easily identifiable on most flowers and has a very important job. Life on earth wouldn't be the same without this one little important plant part.
Every part of a flower serves a purpose. The stigma is easily identifiable on most flowers and has a very important job. Life on earth wouldn't be the same without this one little important plant part.
Importance
Stigmas have a sticky top that allows the pollen to stick and pollinate the plant. Without pollination, there would be no seeds.
Identification
The stigma is generally in the center of the flower and stands up on the style, taller than the surrounding anthers. It usually has a gelatinous or visceral appearance, which is slightly damp and furry.
Function
Since the stigma is the receptacle for pollen, it has a sticky surface that the pollen adheres to and transports the pollen to the ovum for fertilization.
Types
In some flowers the stigma is very easy to see, like orchids and tulips. in others, like cherry trees, it is harder to spot.
Theories/Speculation
Agricultural researchers are working on ways to grow plants with inactive stigmas, to prevent pollination, so farmers will have to buy seed year after year instead of saving their own seeds.
