Late Miocene Pods and Leaves of Albizzia (Leguminosae: Mimosoideae)from Yunnan, SW China and Their Phytogeographic Implications
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Late Miocene Pods and Leaves of Albizzia (Leguminosae: Mimosoideae)from Yunnan, SW China and Their Phytogeographic Implications
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We thank Hong Li, Lei Wang, Wenwen Wen, Yi Yang, Kenan Liu, Yunfeng Wang from Lanzhou University for assistance in the fieldwork. This work was supported by the National Natural Science Foundation of China (Nos. 41172021, 41302009), the Foundation of the State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology, CAS (No. 173126) and the Fundamental Research Funds for the Central Universities of China (No. lzujbky-2017-74).

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    Abstract:

    Extant Asplenium is one of the most widespread fern groups and occurs in the temperate and tropical regions. However, the fossil records of this genus are poorly documented, especially in the low latitudes. Here, a new species, Asplenium sanshuiense sp. nov. is described from the early Eocene of Sanshui Basin, Guangdong Province, South China. This is the lowest modern latitude fossil record of Asplenium and the first fossil assignment of A. section Darea (Jussieu) Bak., as well as the first fossil record of Asplenium reported from South China. This new species shows that Asplenium had already spread into South China by the early Eocene and the section Darea (Jussieu) Bak. was identifiable within the genus Asplenium during that time. This new species, combined with previous fossil spore-pollen records indicates a warm and humid climate in the Sanshui Basin of the early Eocene.

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LI Binke, XIE Sanping, ZHANG Sihang, CHEN Tianyu, SHAO Yang.2017. Late Miocene Pods and Leaves of Albizzia (Leguminosae: Mimosoideae)from Yunnan, SW China and Their Phytogeographic Implications[J]. ACTA GEOLOGICA SINICA(English edition),91(4):1190~1199

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  • 收稿日期:2017-01-18
  • 最后修改日期:2017-04-27
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  • 在线发布日期: 2017-08-18
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