Marigolds, yes indeed. Flower of the dead to the Mexicans, national symbol in the Ukraine, symbol of festivity to the Nepalese. Of the Tagete family. Wiki says that "the common name marigold probably refers to the Virgin Mary, or its old Saxon name 'ymbglidegold', which means 'it turns with the sun'."
Nurse doesn't feel like writing much more about them here. Go google it if you care to, which you don't, otherwise just listen to the song, okay?