👉 Sporopollenin is a type of plant hormone that plays a role in the development and maintenance of reproductive structures. It is produced by the sporophyte cells within the spore stage of a plant's life cycle, during which they develop into reproductive organs such as seeds or fruits. The term "sporopollenin" was coined in 1968 by Carl E. Dillman to describe this hormone and its role in plant development. The word "sporop
