Diversity and Application of the Landscape Plants in the Green-lands of Shaoguan Iron & Steel Company,Guangdong Province

Plant diversity of three types of green lands in Shaoguan Iron Steel Group Co.,Ltd.(CSG) was surveyed.There were 167 species of vascular plant in 122 genera of 68 families in 108 plots of 10 m×10 m.The major families more species are Magnoliaceae,Myrtaceae,Rosaceae,Caesalpiniaceae and Moraceae.Extent of plant diversity was followed as the residential areas the production areas the road areas.The plant diversity of different vertical layers in three types of green-lands was as follows: tree layer herb layer shrub layer.Garden plant diversity in CSG as often disturbed by the constructive works,the artificial plant communities were relatively simple,individual quantities of less species were more higher,and the composition of exotic plant species was higher.Some suggestions were proposed to improve the Greenland plant diversity of CSG.