Clematis florida Thunb. is a herbaceous vine belonging to the genus Clematis in the Ranunculaceae family. The stem is covered with short hairs, with longitudinal grooves and swollen nodes; Small leaf paper, narrow ovate or lanceolate; Inflorescence axillary, bracts broadly ovate or ovate triangular; The achene is wide inverted oval in shape; Flowering period from April to June; Fruit season in summer. The name "Tie Tie Lian" first appeared in "Hua Jing", which states: "Tie Tie Lian is also known as Fan Lian, or" Weiling Xian "in Chinese. Its original name is" Fan Lian ", or" Weiling Xian ", because it is as thin as Tie Tie Xian... Its leaves are woody fragrant, with three leaves per branch and opposite nodes; a thousand petals, with six petals covering the leaves first, like a lotus blooming first. Its original name is" as thin as Tie Tie Xian ", and its flower is" like a lotus ", hence the name Tie Tie Lian.