chrysanthemum: any of numerous perennial Old World herbs having showy brightly colored flower heads of the genera Chrysanthemum, Argyranthemum, Dendranthema, Tanacetum; widely cultivated
flower: a plant cultivated for its blooms or blossoms
flashback: a transition (in literary or theatrical works or films) to an earlier event or scene that interrupts the normal chronological development of the story