Pollination biology of Rhododendron cyanocarpum (Ericaceae): An alpine species endemic to NW Yunnan, China
Ma, Yong-Peng1; Wu, Zhi-Kun2; Dong, Kun3; Sun, Wei-Bang1; Marczewski, Tobias4; Sun,WB (reprint author),Chinese Acad Sci,Kunming Inst Bot,Kunming Bot Garden,Kunming 650204,Peoples R China.; wbsun@mail.kib.ac.cn
2015
发表期刊JOURNAL OF SYSTEMATICS AND EVOLUTION
卷号53期号:1页码:63-71
摘要The pollination biology of Rhododendron cyanocarpum (Franch.) W. W. Smith, an alpine species endemic to NW Yunnan, China, was investigated between 2007 and 2008. Floral traits including flowering time, floral morphology, petal color, and floral scents were assessed, and the associated pollinator assemblage and their foraging behavior were recorded. The flowering period of R. cyanocarpum ranges from late March to middle May and a single flower can last 8-10 days in its natural habitat. Flowers generally show marked herkogamy and the protruding style encourages pollinator foraging behavior that counteracts self-pollination. Floral scents comprise mostly aliphatics (64.37%) and terpenoids (29.88%), which make the flowers attractive for several insect groups, but a peak at 430nm in the reflectance spectrum of petals suggest selection for the attraction of bumblebees. The two Bombus species, B. festivus and B. richardsiellus, representing 90% of total recorded visits, were the only insect species that can be considered to effectively pollinate R. cyanocarpum. Pollination treatments indicated the general self-compatibility of R. cyanocarpum; however, outcrossing seemed to be the dominant strategy, with low rates of self-fertilization providing a certain level of reproductive assurance in its alpine habitat.
关键词Alpine Habitat Endemic Species Floral Scents Petal Color Reflectance Pollination Biology Rhododendron
资助信息National Natural Science Foundation of China [31200247, U1302262]; Yunnan Natural Science Foundation [2012FB180]
学科领域Plant Sciences
DOI10.1111/jse.12114
收录类别SCI
语种英语
WOS研究方向Plant Sciences
WOS类目Plant Sciences
WOS记录号WOS:000348851800006
引用统计
文献类型期刊论文
条目标识符http://ir.kib.ac.cn/handle/151853/19374
专题资源植物与生物技术所级重点实验室
通讯作者Sun,WB (reprint author),Chinese Acad Sci,Kunming Inst Bot,Kunming Bot Garden,Kunming 650204,Peoples R China.; wbsun@mail.kib.ac.cn
作者单位1.Chinese Acad Sci, Kunming Inst Bot, Kunming Bot Garden, Kunming 650204, Peoples R China
2.Chinese Acad Sci, Kunming Inst Bot, Lijiang Alpine Bot Garden, Kunming 650201, Peoples R China
3.Yunnan Agr Univ, Kunming 650204, Peoples R China
4.Univ Edinburgh, Edinburgh EH9 3JH, Midlothian, Scotland
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Ma, Yong-Peng,Wu, Zhi-Kun,Dong, Kun,et al. Pollination biology of Rhododendron cyanocarpum (Ericaceae): An alpine species endemic to NW Yunnan, China[J]. JOURNAL OF SYSTEMATICS AND EVOLUTION,2015,53(1):63-71.
APA Ma, Yong-Peng.,Wu, Zhi-Kun.,Dong, Kun.,Sun, Wei-Bang.,Marczewski, Tobias.,...&wbsun@mail.kib.ac.cn.(2015).Pollination biology of Rhododendron cyanocarpum (Ericaceae): An alpine species endemic to NW Yunnan, China.JOURNAL OF SYSTEMATICS AND EVOLUTION,53(1),63-71.
MLA Ma, Yong-Peng,et al."Pollination biology of Rhododendron cyanocarpum (Ericaceae): An alpine species endemic to NW Yunnan, China".JOURNAL OF SYSTEMATICS AND EVOLUTION 53.1(2015):63-71.
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