Floral traits, pollination ecology and breeding system of three Clematis species (Ranunculaceae) in Yunnan province, southwestern China
Jiang, Nan1,2; Yu, Wen-Bin1,2; Li, Hong-Zhe1,3; Guan, Kai-Yun1
2010
发表期刊AUSTRALIAN JOURNAL OF BOTANY
ISSN0067-1924
卷号58期号:2页码:115-123
摘要Flowers of Clematis display showy corollas and diversified shapes. This diversity motivates study of adaptive evolution of flower-pollinator interactions and the functional association between floral traits and plant mating strategies. An integrative study was undertaken, which focused on pollination and reproductive biology of three species representing all three floral types of Clematis. Floral traits were measured, and pollinator assemblages were observed in the field. Bagging, hand-pollination and removal treatments were used to examine breeding systems. The inbreeding depression and pollen limitation were estimated by fruit-set and seed production obtained from pollination treatments. Their floral traits are distinctly different, but are highly associated with pollination syndrome and breeding system. Among them, Clematis akebioides and C. rehderiana may be facultative autogamy (the former was delayed selfing, and the later competing selfing), and C. chrysocoma may be nearly obligate outcrossing. These conclusions are reflected in their stamen-pistil ratios. The levels of inbreeding depression are negatively associated with autonomous self-pollination. Evolution of self-pollination in C. akebioides and C. rehderiana, and pollen limitation in reproduction of the three Clematis species are discussed. This present study, integrating with previous results, will help us to comprehensively recognise and understand the pollination system and reproductive characteristics of Clematis.
资助信息This study was supported by grants from National Basic Research Program of China (973 Program, No. 2007CB411600). We are grateful to Hua-Jie He (Kunming Institute of Botany, CAS) and Za Cui (Forestry Administration of Zhongdian County) for kind help in the field; to Andrew Smith (Fellow of Australian Academy of Science) and Patrick O'Connor (The University of Adelaide) for their suggestions and corrections of the English writing; two anonymous reviewers and Shuang-Quan Huang (Wuhan University) for valuable comments and suggestions.
学科领域Plant Sciences
DOI10.1071/BT09163
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:000276030700005
引用统计
被引频次:7[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/151853/2405
专题资源植物与生物技术所级重点实验室
作者单位1.Chinese Acad Sci, Kunming Inst Bot, Kunming 650204, Yunnan, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100039, Peoples R China
3.Yunnan Univ Tradit Chinese Med, Fac Tradit Chinese Pharm, Kunming 650500, Yunnan, Peoples R China
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Jiang, Nan,Yu, Wen-Bin,Li, Hong-Zhe,et al. Floral traits, pollination ecology and breeding system of three Clematis species (Ranunculaceae) in Yunnan province, southwestern China[J]. AUSTRALIAN JOURNAL OF BOTANY,2010,58(2):115-123.
APA Jiang, Nan,Yu, Wen-Bin,Li, Hong-Zhe,&Guan, Kai-Yun.(2010).Floral traits, pollination ecology and breeding system of three Clematis species (Ranunculaceae) in Yunnan province, southwestern China.AUSTRALIAN JOURNAL OF BOTANY,58(2),115-123.
MLA Jiang, Nan,et al."Floral traits, pollination ecology and breeding system of three Clematis species (Ranunculaceae) in Yunnan province, southwestern China".AUSTRALIAN JOURNAL OF BOTANY 58.2(2010):115-123.
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