Plant Diversity ›› 2002, Vol. 24 ›› Issue (03): 1-3.

• Articles •    

Tethys Retreat and Himalayas-Hengduanshan Mountains Uplift and Their Significance on the Origin and development of the Sino-Himalayan Elements and Alpine Flora

SUN Hang   

  1. Kunming Institute of Botany,Chinese Academy of Sciences
  • Online:2002-06-25 Published:2002-06-25

Abstract: The flora of Himalayas-Hengduanshan Mountains started in late Cretaceous and early Paleogene.Paleobotanical data had showed that the flora of Himalayas-Hengduanshan Mountains was a part of Tethyan Tertiary Flora or evergreen,laurophyll"paleotropical geoflora"in that time.After late Paleogene,along with climate of the Mediterranean gradually become aridity,the laurophyll"paleotropical geoflora"gradually replaced by semiarid or arid flora of the Mediterranean.The Tethyan Tethyan Tertiary Flora was only conserved and developed in E Asian for monsoon climate bringing ample summer rain up to today.

Key words: Tethys retreat, Himalayas