Caragana microphylla Lam, Caragana intermedia Kuang et H.C.Fu and Caragana korshinskii Komar are dominant shrubs in three typical regions of the ecologically vulnerable zone in northern China-Horqin sandy land, Mu Us sandy land and Tengger desert, respectively. In order to understand the differences in characteristics of desert plant species with close genetic relationship but in different climatic zones that are far away from each other in geographic location and to explore the possibility for successful ...