The flower of something
Definition 1 of 2
Pro Tip 1/3Figurative Usage
The phrase is used metaphorically to describe outstanding qualities or individuals. 
She is the flower of the scientific community, making groundbreaking discoveries.
Pro Tip 2/3Literary Flair
Often found in literary works to add a touch of elegance or to idealize a subject. 
His painting was considered the flower of Renaissance art.
Pro Tip 3/3Cultural Prestige
Used to express admiration for something culturally significant or prestigious. 
The old library was seen as the flower of the university's heritage.