Literature Reference: The water caltrop pond is as clear as a mirror without waves, with sparse white flowers and many green horns. Source from 'Two Poems on the Pond' by Bai Juyi.
紫: Represents a person of authority and prestige.
菱: Describing a fresh and beautiful appearance.
Meaning: Purple water caltrop symbolizes nobility and elegance, while the caltrop represents resilience and wisdom.