Literature Reference: 唯益梓桑恭，岂禀山川丽。—— 《酬周判官巡至始兴会改秘书少监见贻之作兼呈耿广州》 Only the reverence for the mulberry and catalpa trees can be enhanced, how could it be the splendor of the mountains and rivers? Source from 'A Reply to Inspector Zhou's Poem on His Inspection to Shixing and His Appointment as Assistant Director of the Secretariat, Also Presented to Governor Geng of Guangzhou.'
梓: The tree name, known as the Catalpa.
桑: Mulberry and Fusang. They metaphorically represent a person's warm-heartedness, boldness, dignified demeanor, and magnanimous character.
Meaning: The mulberry and catalpa trees symbolize one's homeland and roots, signifying a deep respect for one's origins and humility.