carpel polymorphism

Carpel polymorphism refers to the occurrence of different forms of carpels within a plant species. Carpels are the leaflike, seed-bearing structures that form the innermost whorl of a flower, collectively making up the pistil.1

In botany, carpels can vary in number and arrangement. Some plants have a single carpel, while others have many. The carpels may be separate or fused together. Within a carpel, the ovary contains ovules, which develop into seeds after fertilization. The stigma, at the top of the carpel, receives pollen.2

Polymorphism can also occur in seeds and fruits, where a single plant may produce different types of seeds with varying characteristics like size, color, or dormancy. This variation can be genetically controlled or influenced by environmental factors. Such polymorphism can serve as a survival strategy by diversifying germination times and dispersal mechanisms.3