Flower of Remembrance
From Tardis Wiki, the free Doctor Who reference
The Flower of Remembrance of the Lost Dead (PROSE: The Infinity Doctors) was a six-petaled golden yellow flower native to the Time Lord homeworld of Gallifrey. In Gallifreyan culture, it was an omen of death. (PROSE: The Ancestor Cell) They were either held or grown in the Citadel. (PROSE: The Infinity Doctors)