Sentence:  Some liar 's logic , a wisp of optimism as fragile as the scent of tropical <WSD>blossoms</WSD> that came through the window ( a euphoria perhaps engendered by the pill Fritzie had given her ) , consoled her for a moment . 
Meaning of the word marked with <WSD> tags:  reproductive organ of angiosperm plants especially one having showy or colorful parts