Pollen morphology of Gaultheria L. and related genera of subfamily Vaccinioideae: Taxonomic and evolutionary significance
Lu, Lu1,2; Fritsch, Peter W.3; Wang, Hong1,4; Li, Hong-Tao1; Li, De-Zhu1; Chen, Jian-Qun4
2009-04-01
发表期刊REVIEW OF PALAEOBOTANY AND PALYNOLOGY
ISSN0034-6667
卷号154期号:1-4页码:106-123
摘要The pollen morphology of 86 samples from 84 species of Gaultheria and the closely related genera Chamaedaphne, Craibiodendron, Diplycosia, Eubotrys. Gaylussacia, Leucothoe, Lyonia, Oxydendrum. Pieris, Satyria, and Vaccinium (subfamily Vaccinioideae) was investigated with light and scanning electron microscopy. The tetrahedral tetrads are tri-zonocolporate and range from 22.9 to 51.5 mu m in diameter. Exine ornamentation (apocolpia and mesocolpia) of pollen grains is highly variable. Six exine types of apocolpia and five exine types of mesocolpia are distinguished. Viscin threads on the pollen grains of members of Gaultheria are first reported in the study. Colpus length is correlated with both pollen size and colpus maximum width. There is a weak correlation between corolla length and pollen size when the length of the corolla is less than 6 mm. Infrageneric relationships of taxa in Gaultheria are discussed on the basis of pollen data. Pollen morphology is ubiquitously variable at both the species and genus levels. Pollen data support the sister relationships between Satyria and Vaccinium and between Chamaedaphne and Eubotrys of a previously reported molecular phylogenetic analysis. The evolution of pollen characters is traced by character optimization and results discussed. An evolutionary trend of mesocolpium ornamentation within Vaccinioideae from granulate through granulate-rugulate to rugulate is apparent. (C) 2008 Elsevier B.V. All rights reserved.
关键词Character Evolution GauL.heria L. Gaultherieae Pollen Morphology Taxonomy Vaccinioideae
学科领域Plant Sciences ; Paleontology
DOI10.1016/j.revpalbo.2008.12.009
收录类别SCI
语种英语
WOS研究方向Plant Sciences ; Paleontology
WOS类目Plant Sciences ; Paleontology
WOS记录号WOS:000265353800009
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被引频次:8[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.kib.ac.cn/handle/151853/3120
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, Kunming Inst Bot, Lab Biodivers & Biogeog, 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 94103 USA
4.Nanjing Univ, Sch Life Sci, Nanjing 210093, Jiangsu, Peoples R China
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Lu, Lu,Fritsch, Peter W.,Wang, Hong,et al. Pollen morphology of Gaultheria L. and related genera of subfamily Vaccinioideae: Taxonomic and evolutionary significance[J]. REVIEW OF PALAEOBOTANY AND PALYNOLOGY,2009,154(1-4):106-123.
APA Lu, Lu,Fritsch, Peter W.,Wang, Hong,Li, Hong-Tao,Li, De-Zhu,&Chen, Jian-Qun.(2009).Pollen morphology of Gaultheria L. and related genera of subfamily Vaccinioideae: Taxonomic and evolutionary significance.REVIEW OF PALAEOBOTANY AND PALYNOLOGY,154(1-4),106-123.
MLA Lu, Lu,et al."Pollen morphology of Gaultheria L. and related genera of subfamily Vaccinioideae: Taxonomic and evolutionary significance".REVIEW OF PALAEOBOTANY AND PALYNOLOGY 154.1-4(2009):106-123.
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