Literature Reference: The willow's grace falls with autumn's arrival, while the pine's essence thrives through frost. Source from 'Shishuo Xinyu'.
桓: Huan Zhi, Huan Biao. "Huan" symbolizes the pillar, representing a person of talent, who exerts a positive influence on the development of endeavors.
蒲: In ancient usage, it is the same as "匍" (pú), which means to prostrate or crawl.
Meaning: Resilient and enduring, like the willow's flexibility and the pine's strength through adversity.