Cloves are deciduous shrubs or small trees of the genus Clorine. It is a shorthand for lilacs (Clorine, also known as cloves and cloves, distributed in temperate regions from southeast Europe to East Asia). Clorines are famous garden flowers and trees because of their long, thin and fragrant flower tubes. The inflorescence is large, the flowering is lush, the color is elegant, the aroma, the habit is strong, the cultivation is simple, so it is widely cultivated in the garden.