Pink Cichorium

The Pink Cichorium was a near-extinct, beautiful, pink plant. The last of its kind in the entire universe, it was loved, protected and tended daily by Irene, a botanist who lived alone on the mini-moon of Delphi. When the security of the plant was threatened by the arrival of man-eating weeds, Irene sent a distress call. The call was answered by the Tenth Doctor, who resettled the plant in the fields of Centauri-Beta. (COMIC: Borrowed Time)