Systematic implications of seed coat diversity in Gaultherieae (Ericaceae)
Lu, Lu1,2; Fritsch, Peter W.3; Bush, Catherine M.4; Dong, Li-Na1,2; Wang, Hong1; Li, De-Zhu1
2010-03-01
发表期刊BOTANICAL JOURNAL OF THE LINNEAN SOCIETY
ISSN0024-4074
卷号162期号:3页码:477-495
摘要The seed morphology of 90 samples from 83 species of tribe Gaultherieae (Chamaedaphne, Diplycosia, Eubotryoides, Eubotrys, Gaultheria and Leucothoe) and relatives in tribes Andromedeae (Andromeda and Zenobia) and Vaccinieae (Satyria) was investigated with stereoscopic and scanning electron microscopy. Seeds exhibit variation in shape, colour, size, wing, hilum region, primary ornamentation and epidermal cells. Non-metric multidimensional scaling (NMDS) analysis based on selected seed characters supports the affinities of some groups within Gaultherieae at various taxonomic levels. Seed characters corroborate the delimitation of Andromeda, Chamaedaphne, Leucothoe, Satyria and Zenobia and Gaultheria series Trichophyllae, series Hispidulae, section Amblyandra and section Brossaeopsis. Parsimony optimization of seed characters onto a previously published phylogenetic estimate of Gaultherieae reveals that small seeds have evolved from larger seeds and an areolate seed coat has evolved from a reticulate seed coat. Optimization also suggests that several seed character states are synapomorphies or potential synapomorphies for some major clades of Gaultherieae. Seeds of Gaultherieae from East Asia, temperate North America and the Pacific are more diverse than those from tropical America. Samples from the eastern Himalaya possess the highest variation in seed morphology. The wing and bulging edge cells observed in seeds of Leucothoe suggest dispersal by wind. (C) 2010 The Linnean Society of London, Botanical Journal of the Linnean Society, 2010, 162, 477-495.
关键词Andromedeae Character Evolution Seed Morphology Synapomorphy Systematic Implication Taxonomy Vaccinioideae
资助信息National Basic Research Program of China [2007CB411603]; National Natural Science Foundation of China [40830209]; US National Science Foundation [DEB-0717711]; Lakeside Foundation
收录类别SCI
语种英语
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文献类型期刊论文
条目标识符http://ir.kib.ac.cn/handle/151853/3138
专题中国科学院东亚植物多样性与生物地理学重点实验室
作者单位1.Chinese Acad Sci, Lab Biodivers & Biogeog, Kunming Inst Bot, Kunming 650204, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
3.Calif Acad Sci, Dept Bot, San Francisco, CA 94118 USA
4.Wake Forest Univ, Dept Biol, Winston Salem, NC 27109 USA
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Lu, Lu,Fritsch, Peter W.,Bush, Catherine M.,et al. Systematic implications of seed coat diversity in Gaultherieae (Ericaceae)[J]. BOTANICAL JOURNAL OF THE LINNEAN SOCIETY,2010,162(3):477-495.
APA Lu, Lu,Fritsch, Peter W.,Bush, Catherine M.,Dong, Li-Na,Wang, Hong,&Li, De-Zhu.(2010).Systematic implications of seed coat diversity in Gaultherieae (Ericaceae).BOTANICAL JOURNAL OF THE LINNEAN SOCIETY,162(3),477-495.
MLA Lu, Lu,et al."Systematic implications of seed coat diversity in Gaultherieae (Ericaceae)".BOTANICAL JOURNAL OF THE LINNEAN SOCIETY 162.3(2010):477-495.
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