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Article: The early history of Annonaceae (Magnoliales) in Southeast Asia suggests floristic exchange between India and Pan‐Indochina by the late Oligocene

Papers in Palaeontology - Volume 5 Issue 4 - Cover
Publication: Papers in Palaeontology
Volume: 5
Part: 4
Publication Date: November 2019
Page(s): 601 612
Author(s): Qijia Li, Gongle Shi, Yusheng Liu, Qiongyao Fu, Jianhua Jin, and Cheng Quan
DOI: 10.1002/spp2.1249
Addition Information

How to Cite

LI, Q., SHI, G., LIU, Y., FU, Q., JIN, J., QUAN, C. 2019. . Papers in Palaeontology, 5, 4, 601-612. DOI: /doi/10.1002/spp2.1249

Author Information

  • Qijia Li - College of Earth Sciences Jilin University Changchun 130061 China
  • Gongle Shi - State Key Laboratory of Palaeobiology & Stratigraphy Nanjing Institute of Geology & Palaeontology Chinese Academy of Sciences Nanjing 210008 China
  • Yusheng Liu - Department of Biological Science California State University Fullerton CA 92831 USA
  • Qiongyao Fu - State Key Laboratory of Biocontrol & Guangdong Key Laboratory of Plant Resources School of Life Sciences Sun Yat‐sen University Guangzhou 510275 China
  • Jianhua Jin - State Key Laboratory of Biocontrol & Guangdong Key Laboratory of Plant Resources School of Life Sciences Sun Yat‐sen University Guangzhou 510275 China
  • Cheng Quan - School of Earth Science & Resources Chang'an University Xi'an 710054 China
  • Cheng Quan - Research Center of Paleontology & Stratigraphy Jilin University Changchun 130026 China

Publication History

  • Issue published online: 19 October 2019
  • Manuscript Accepted: 04 September 2018
  • Manuscript Received: 06 December 2017

Funded By

National Natural Science Foundation of China. Grant Numbers: 41528201, 41772009, 41210001, 41772014

Online Version Hosted By

Wiley Online Library
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The collision between India and Eurasia in the mid‐Palaeogene facilitated terrestrial floristic exchange. However, due to the complexity of this geological event and scarcity of fossil record, the plant migration patterns between the two plates are still highly debated. In this study, we focus on the Oligocene floristic exchange between India and Pan‐Indochina mainly based on a carpological study of Annonaceae, an emblematic family unique in its pantropical distribution and frugivore‐based dispersal strategy. A new seed species, Anonaspermum orientalis sp. nov., is described from the upper Oligocene Yongning Formation of Guangxi, southern China. The species represents the earliest known occurrence of this family in Pan‐Indochina. The specimens are characterized by ovate–elliptic seed shape, thicker seed testa, two‐lobed organization, lamelliform rumination and an obvious cone‐like plug. The palaeobiogeographical reconstruction of Annonaceae indicates that the most parsimonious dispersal scenario for the annonaceous taxon from the late Oligocene of China is the Out‐of‐India route, in parallel with other plant genera inferred to have migrated between India and Pan‐Indochina during that period.

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