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Phylogeny and biogeography of the hollies (Ilex L., Aquifoliaceae)
Yao, Xin1,2; Song, Yu1,2; Yang, Jun-Bo3; Tan, Yun-Hong1,2,4; Corlett, Richard T.1,2
Corresponding AuthorYao, Xin( ; Tan, Yun-Hong( ; Corlett, Richard T.(
AbstractThe holly genus, Ilex L., in the monogeneric Aquifoliaceae, is the largest woody dioecious genus (>664 spp.), with a near-cosmopolitan distribution in mesic environments. We constructed a phylogeny based on two nuclear genes, representing 177 species spread across the geographical range, and dated using macrofossil records. The five main clades had a common ancestor in the early Eocene, much earlier than previously suggested. Ilex originated in subtropical Asia and extant clades colonized South America by 30 Ma, North America by 23 Ma, Australia by 8 Ma, Europe by 6 Ma, and Africa by 4 Ma. South and North America were colonized multiple times. Ilex also reached Hawaii (10 Ma) and other oceanic islands. Macrofossil and pollen records show the genus has tracked mesic climates through time and space, and had a wider distribution before late Miocene global cooling. Our phylogeny provides a framework for studies in comparative ecology and evolution.
KeywordAquifoliales biogeography cosmopolitan distribution dioecy long distance dispersal
Indexed BySCI ; SCI
WOS Research AreaPlant Sciences
WOS SubjectPlant Sciences
WOS IDWOS:000515098900001
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Document Type期刊论文
Corresponding AuthorYao, Xin; Tan, Yun-Hong; Corlett, Richard T.
Affiliation1.Chinese Acad Sci, Ctr Integrat Conservat, Xishuangbanna Trop Bot Garden, Mengla 666303, Yunnan, Peoples R China
2.Chinese Acad Sci, Ctr Conservat Biol, Core Bot Gardens, Mengla 666303, Yunnan, Peoples R China
3.Chinese Acad Sci, Kunming Inst Bot, Germplasm Bank Wild Species, Kunming 650201, Yunnan, Peoples R China
4.Chinese Acad Sci, Southeast Asia Biodivers Res Inst, Nay Pyi Taw 05282, Myanmar
Recommended Citation
GB/T 7714
Yao, Xin,Song, Yu,Yang, Jun-Bo,et al. Phylogeny and biogeography of the hollies (Ilex L., Aquifoliaceae)[J]. JOURNAL OF SYSTEMATICS AND EVOLUTION,2020:10.
APA Yao, Xin,Song, Yu,Yang, Jun-Bo,Tan, Yun-Hong,&Corlett, Richard T..(2020).Phylogeny and biogeography of the hollies (Ilex L., Aquifoliaceae).JOURNAL OF SYSTEMATICS AND EVOLUTION,10.
MLA Yao, Xin,et al."Phylogeny and biogeography of the hollies (Ilex L., Aquifoliaceae)".JOURNAL OF SYSTEMATICS AND EVOLUTION (2020):10.
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