Literature Reference: 玉坛标八桂，金井识双桐。—— 《早秋望华清宫中树因以成咏》 The jade altar is marked by eight osmanthus trees, while the golden well knows the twin paulownias. Source from 'Early Autumn View of the Trees in the Huaqing Palace'.
双: Two, a pair. Symbolizing abundance. It signifies double happiness.
桐: The phoenix tree, known as "wutong" in Chinese, symbolizes vigorous vitality when used in personal names.
Meaning: Twin paulownias symbolize resilience, longevity, and prosperity, representing the strength of life and the continuity of hope.