Definitions for "Hypanthium"
A fruit consisting in large part of a receptacle, enlarged below the calyx, as in the Calycanthus, the rose hip, and the pear.
The fused or coalesced basal portion of floral parts (sepals, petals, stamens) around the ovary.
n. (Gr. hypo, under; anthodes, like flowers) an expansion of the receptacle of a flower that forms a saucer-shaped, cup-shaped, or tubular structure (often simulating a calyx tube) bearing the perianth and stamens at or near its rim; it may be free from or united to the ovary.