Guangdong flora became more complex and multiplex from the beginning of Tertiary.The angiosperm developed in mass and dominated instead of gymnosperm.

 
  • 从第二纪开始,广东植物区系成分变得更加复杂多样,被子植物大量发展,取代了裸子植物占据统治地位。
今日热词
目录 附录 查词历史