1. a cup-shaped or tubular structure formed by the fusion of the bases of sepals, petals, and stamens, surrounding or enclosing the pistil in certain flowers
Usage: botanical

Examples

• The rose flower has a prominent hypanthium that forms the base of the hip.
• In apple blossoms, the hypanthium develops into part of the fruit.
• The botanist pointed out the hypanthium in the cherry flower specimen.
• Many members of the rose family exhibit a well-developed hypanthium.
• The hypanthium in peach flowers eventually becomes the fleshy part of the fruit.
• Students learned to identify the hypanthium as a key feature in flower classification.