Practice question

Fusion terminology distinguishes topological patterns crucial for precise floral description. Connation describes congenital or postgenital union among members belonging to same whorl, for example gamosepalous calyx like Hibiscus where sepals fused into tube, gamopetalous corolla in Solanaceae forming bell shaped corolla, syncarpous gynoecium where carpels fused forming compound ovary with shared style, or synandrous stamens united into staminal column. Fusion enhances structural integrity, pollinator manipulation, protection and pollen presentation. Unlike connation, adnation refers to fusion between different whorl members such as epipetalous stamens.