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Extensive Miocene speciation in and out of Indochina: The biogeographic history of Typhonium sensu stricto (Araceae) and its implication for the assembly of Indochina flora
Low,Shook Ling; Yu,Chih-Chieh; Ooi,Im Hin; Eiadthong,Wichan; Galloway,Alan; Zhou,Zhe-Kun; Xing,Yao-Wu
2021
Source PublicationJOURNAL OF SYSTEMATICS AND EVOLUTION
ISSN1674-4918
Volume59Issue:3Pages:419-428
AbstractThe Asian paleotropical flora is characterized by abundance of endemic species, high biodiversity, and complex geological and climatic histories. However, the main driving mechanism underlying such high tropical biodiversity remains unclear. Hence, the present study aimed to investigate the biogeographic origin of the Asian paleotropical flora by tracking the speciation and diversification history of a typical tropical perennial, Typhonium sensu stricto (s.s.) (Araceae), using a time-calibrated whole-plastome phylogeny. In particular, we tested whether the Asian paleotropic region is a macroevolutionary source or sink. We observed that Typhonium s.s. originated in Indochina during the early-middle Miocene epoch, ca. 17.24 Ma (95% highest posterior density [HPD]: 12.83-21.99 Ma). Most of the in situ diversification within the genus Typhonium s.s. has been underway since 14.73 Ma, with an accelerated lineage diversification at ca. 15-17 Ma, which may have been triggered by the intensification of the Asian monsoon system around the middle Miocene. Furthermore, the underground tuberous stem of Typhonium s.s. might have played an essential role in the adaptation to the seasonality caused by the monsoon in Indochina. Our results also suggested that peripatric speciation may be important in the diversification of T. trilobatum and T. roxburghii. This study provides a framework for studies in biogeography and evolution of the Asian paleotropical flora.
KeywordAsian monsoon biodiversity hotspots floristic region Old World tropic peripatric speciation EVOLUTIONARY DYNAMICS ASIAN MONSOONS DIVERSIFICATION BIODIVERSITY CLIMATE DISPERSAL DIVERSITY ALGORITHM PATTERNS HOTSPOTS
DOI10.1111/jse.12689
WOS IDWOS:000603710300001
Citation statistics
Cited Times:12[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.kib.ac.cn/handle/151853/73188
Collection中国科学院昆明植物研究所
Affiliation1.Chinese Acad Sci, Xishuangbanna Trop Bot Garden, CAS Key Lab Trop Forest Ecol, Mengla 666303, Yunnan, Peoples R China
2.Chinese Acad Sci, Core Bot Gardens, Ctr Plant Ecol, Xishuangbanna 666303, Yunnan, Peoples R China
3.Penang Bot Gardens Dept, Biodivers Management Sect, George Town 10350, Malaysia
4.Kasetsart Univ, Fac Forestry, Dept Forest Biol, Bangkok 10900, Thailand
5.Juniper Level Bot Garden & Plant Delights Nursery, Raleigh, NC 27603 USA
6.Chinese Acad Sci, Kunming Inst Bot, Key Lab Plant Divers & Biogeog East Asia, Kunming 650204, Yunnan, Peoples R China
Recommended Citation
GB/T 7714
Low,Shook Ling,Yu,Chih-Chieh,Ooi,Im Hin,et al. Extensive Miocene speciation in and out of Indochina: The biogeographic history of Typhonium sensu stricto (Araceae) and its implication for the assembly of Indochina flora[J]. JOURNAL OF SYSTEMATICS AND EVOLUTION,2021,59(3):419-428.
APA Low,Shook Ling.,Yu,Chih-Chieh.,Ooi,Im Hin.,Eiadthong,Wichan.,Galloway,Alan.,...&Xing,Yao-Wu.(2021).Extensive Miocene speciation in and out of Indochina: The biogeographic history of Typhonium sensu stricto (Araceae) and its implication for the assembly of Indochina flora.JOURNAL OF SYSTEMATICS AND EVOLUTION,59(3),419-428.
MLA Low,Shook Ling,et al."Extensive Miocene speciation in and out of Indochina: The biogeographic history of Typhonium sensu stricto (Araceae) and its implication for the assembly of Indochina flora".JOURNAL OF SYSTEMATICS AND EVOLUTION 59.3(2021):419-428.
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