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题名: Floral traits, pollination ecology and breeding system of three Clematis species (Ranunculaceae) in Yunnan province, southwestern China
作者: Jiang, Nan1, 2; Yu, Wen-Bin1, 2; Li, Hong-Zhe1, 3; Guan, Kai-Yun1
刊名: AUSTRALIAN JOURNAL OF BOTANY
英文摘要: 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.
出版日期: 2010
卷号: 58, 期号:2, 页码:115-123
DOI标识: 10.1071/BT09163
语种: 英语
ISSN号: 0067-1924
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.kib.ac.cn/handle/151853/2405
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 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

Recommended Citation:
Jiang, N; Yu, WB; Li, HZ; Guan, KY.Floral traits, pollination ecology and breeding system of three Clematis species (Ranunculaceae) in Yunnan province, southwestern China,AUSTRALIAN JOURNAL OF BOTANY,2010,58(2):115-123
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