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Western Tethys origin, tropical Asia and tropical America disjunction in Berchemia and reinstatement of Phyllogeiton (Rhamneae, Rhamnaceae)
Huang,Xianhan; Deng,Tao; Chen,Shaotian; Landis,Jacob B.; Lin,Nan; Yang,Yi; Hu,Guangwan; Zhou,Zhuo; Wang,Yuehua; Wang,Hengchang; Tojibaev,Komiljon Sh; Sun,Hang
2021
Source PublicationTAXON
ISSN0040-0262
Volume70Issue:3Pages:515-525
AbstractDespite the well-known biogeographic pattern in the Northern Hemisphere of disjunct distributions in plants between eastern Asia and North America, many details regarding the evolution of the disjunction between lineages of tropical Asia and tropical America remain poorly understood. Berchemia (Rhamnaceae), comprising ca. 32 species, is distributed predominantly in tropical regions of east to southeast Asia and North America. However, the phylogeny and biogeography of this genus are still not clear. Furthermore, fossils of the genus have been found in Europe, making it an ideal group to understand the biogeographical story of tropical disjunction in the Northern Hemisphere. With two nuclear (ETS, ITS) and three plastid (petA-psbJ, psbA-trnH, trnL-F) DNA regions, we first reconstructed the phylogeny of Berchemia with Bayesian inference and maximum likelihood approaches. Our results indicated that Berchemia, excluding the African species B. discolor and B. zeyheri, which were placed into the reinstated Phyllogeiton, was well-supported as monophyletic. Divergence times and ancestral areas were inferred using a Bayesian uncorrelated lognormal relaxed molecular clock model and Bayesian binary MCMC method, respectively. The core Berchemia likely originated in the Western Tethys during the middle Eocene, then formed the tropical Asia and tropical America disjunction during the Oligocene and further diversified in Asia from the early Miocene on. The formation and diversification of the core Berchemia likely resulted from a mixture of geologic events, such as the close of the Tethys Ocean, disappearance of the North Atlantic Land Bridges, uplift of the Qinghai-Tibetan Plateau, and climatic events, such as the establishment and enhancement of Asian monsoons.
KeywordAsian monsoons Berchemia diversification historical biogeography North Atlantic Land Bridges Western Tethys
DOI10.1002/tax.12498
WOS IDWOS:000639109200001
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.kib.ac.cn/handle/151853/73303
Collection中国科学院昆明植物研究所
Affiliation1.Chinese Acad Sci, Key Lab Plant Divers & Biogeog East Asia, Kunming Inst Bot, Kunming 650201, Yunnan, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Yunnan Univ, Sch Life Sci, Kunming 650091, Yunnan, Peoples R China
4.Yunnan Univ Chinese Med, Coll Pharmaceut Sci, Kunming 650500, Yunnan, Peoples R China
5.Landis, Jacob B.] Cornell Univ, Sch Integrat Plant Sci, Sect Plant Biol & LH Bailey Hortorium, Ithaca, NY 14850 USA
6.Chinese Acad Sci, Wuhan Bot Garden, Key Lab Plant Germplasm Enhancement & Specialty A, Wuhan 430074, Hubei, Peoples R China
7.Acad Sci Uzbek, Inst Bot, Cent Herbarium Uzbekistan, Tashkent 100125, Uzbekistan
Recommended Citation
GB/T 7714
Huang,Xianhan,Deng,Tao,Chen,Shaotian,et al. Western Tethys origin, tropical Asia and tropical America disjunction in Berchemia and reinstatement of Phyllogeiton (Rhamneae, Rhamnaceae)[J]. TAXON,2021,70(3):515-525.
APA Huang,Xianhan.,Deng,Tao.,Chen,Shaotian.,Landis,Jacob B..,Lin,Nan.,...&Sun,Hang.(2021).Western Tethys origin, tropical Asia and tropical America disjunction in Berchemia and reinstatement of Phyllogeiton (Rhamneae, Rhamnaceae).TAXON,70(3),515-525.
MLA Huang,Xianhan,et al."Western Tethys origin, tropical Asia and tropical America disjunction in Berchemia and reinstatement of Phyllogeiton (Rhamneae, Rhamnaceae)".TAXON 70.3(2021):515-525.
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