Summer vegetables in the Nanjing region of Jiangsu China are consumed with young stems and leaves, possessing a distinctive strong chrysanthemum fragrance.Currently cultivated to a limited extent throughout northern and southern regions of China.Artificial cultivation in Nanjing has a longer history, making it a new local specialty vegetable in Nanjing.It is among the Three Treasures of Nanjing alongside Chrysanthemum tips and Lesser Galangal sprouts.