Literature Reference: 芝草琅玕日应长。——《玄都坛歌寄元逸人》 杜甫 The lingzhi grass and jade-like gems grow daily. Source from 'Xuan Du Tan Ge Ji Yuan Yi Ren' by Du Fu.
琅: Pure white and splendid as jade, it often conveys a sense of preciousness and a gentle, jade-like quality in names.
玕: In ancient texts, it refers to beautiful stones, as well as to the pearl-bearing tree.
Meaning: Lang Gan symbolizes precious jade or treasure, signifying rarity, beauty, and purity.