丁香是木犀科丁香属大型落叶灌木。枝、叶对生，叶片心形。我国东北地区花期为４月末至６月初，花色有紫色、白色，簇生花序生于当年枝顶端，开花时节香飘四溢。常种植于道路两旁，构成花带。近年来，许多栽培的丁香树，因缺少修剪，丛生枝条杂乱无章，过高、过密，花渐稀少， Cloves clove is a large deciduous shrubs. Branches, leaves opposite, leaf heart-shaped. Flowering in northeast China for the end of April to early June, the colors are purple, white, clusters of inflorescences were born in the top of the current year, flowering season fragrant floating overflowing. Often planted on both sides of the road, forming flowers with. In recent years, many cultivated lilac trees, due to the lack of pruning, clusters of branches disorderly, too high, too dense, less flower,