The geological characteristics of the wild vines show that Pantropic are dominant,accounted for 22.4% of all wild vines,followed by the North Temperate(22.4%),East Asia(19.4%) and Asia & North America dijuncted(13.4%).

 
  • 区系成分分析表明;热带成分居首位(22.;4%25);其次是东亚成分(19
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