Characterized by lush branches,elegant colors and being fragrant,tolerant to cold and drought,demanding less from soil,Syringa is the major species for reforesting,beautification and fragrance in the world.It's easy confused of different varieties because of similar characters between them.Therefor,the index of the growing features of 14 species of Syringa in Baotou city Inner Mongolia have been explored and examined,the following shows the results.
1.Sprouting of different species leaf buds a...