Plant Diversity ›› 2003, Vol. 25 ›› Issue (03): 1-3.

• Articles •    

The Areal-types of the World Families of Seed Plants

WUZheng-Yi ZHOU Zhe-Kun LI De-Zhu PENG Hua SUN Hang   

  1. Kunming Institute of Botany, Chinese Academy of Sciences
  • Online:2003-06-25 Published:2003-06-25

Abstract: The areal-type means distribution map of certain plants always same or nearly same. This is an important method in floristic research to divide distribution into different areal-types. More than 3116 gen-era of seed plants have been recorded in China. They have been classified into 15 areal-types and 37 sub-types . The certain number represent certain areal type such as number 2 always means pantropic distribu-tion pattern. After repeated to tests and uses, it has been proved that characteristics and relationships of each areal type can be showen by such classification. A classification precept of families of seed plants of the world has been proposed at present paper.

Key words: Seed plants