Hypanthium is a botanical term referring to the cup-like structure that surrounds the base of a flower. Synonyms for hypanthium include receptacle, floral cup, or flower base. It is a characteristic feature of certain types of flowers, such as roses, apple blossoms, and strawberry plants. The hypanthium is the site of attachment for the sepals, petals, and stamens. Additionally, it provides a protective enclosure for developing fruit. Other related terms that are used in botanical descriptions may include perianth, corolla, and calyx. Knowing these synonyms can assist in a better understanding of plant morphology and botany.