👉 Seedleaf is a term used in the context of plant biology, specifically for a type of leaf that has been used to describe the growth process of certain species. Seedleafs are often described as having a flat surface and a thickened center, which allows them to grow into larger leaflets. The term "seedleaf" comes from the Latin word "seedleaf," which means a leaf with a single stem or blade that is not fully developed yet but still has a seed inside it.