What is the rhetorical device used in the third sentence of Ziweihua's poem and what is its function?

Compare the beauty and flowering time of Osmunda japonica with peach blossom and plum blossom. The third sentence is very innovative: what is the quiet of peaches and plums?

Sima Qian wrote in Historical Records Biography of General Li that "peaches and plums are silent, and Xiaxi is a family of its own", which means that peaches and plums are bright and beautiful, attracting people's attention and making them step out of the path under the tree. Du Mu used this allusion in this song, but he turned his back. The poet used a rhetorical device of contrast. To highlight the beauty of wisteria.