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题名: Pollination biology of Rhododendron cyanocarpum (Ericaceae): An alpine species endemic to NW Yunnan, China
作者: Ma, Yong-Peng1; Wu, Zhi-Kun2; Dong, Kun3; null(孙卫邦)1; Marczewski, Tobias4
刊名: JOURNAL OF SYSTEMATICS AND EVOLUTION
出版日期: 2015
卷号: 53, 期号:1, 页码:63-71
关键词: alpine habitat ; endemic species ; floral scents ; petal color reflectance ; pollination biology ; Rhododendron
学科分类: Plant Sciences
DOI: 10.1111/jse.12114
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
文章类型: Article
英文摘要: 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.
类目[WOS]: Plant Sciences
研究领域[WOS]: Plant Sciences
关键词[WOS]: FLORAL SCENT ; INBREEDING DEPRESSION ; REPRODUCTIVE-BIOLOGY ; PONTICUM ERICACEAE ; POLLEN LIMITATION ; BREEDING SYSTEM ; COLORED STIMULI ; PLANTS ; FERRUGINEUM ; EVOLUTION
收录类别: SCI
项目资助者: National Natural Science Foundation of China [31200247, U1302262] ; Yunnan Natural Science Foundation [2012FB180]
语种: 英语
WOS记录号: WOS:000348851800006
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.kib.ac.cn/handle/151853/19374
Appears in Collections:资源植物与生物技术所级重点实验室_期刊论文

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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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