hypogeal emergence

What Is Hypogeal And Epigeal? Seedling emergence is either hypogeal or epigeal. In hypogeal emergence the cotyledons remain below the soil surface during seedling development, while in epigeal emergence the cotyledons extend above the soil surface due to elongation of the hypocotyl. What are the examples of epigeal and hypogeal germination? Epigeal and hypogeal are