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题名: The reproductive biology of Stellera chamaejasme (Thymelaeaceae): A self-incompatible weed with specialized flowers
作者: Zhang, Zhi-Qiang1; Zhang, Yong-Hong1; Sun Hang(孙航)1
刊名: FLORA
关键词: Floral colour ; Floral longevity ; Herkogamy ; Self-incompatibility ; Specialized pollination system ; Weed pollination
英文摘要: It has profound implications for species invasions and fitness, how weeds achieve reproductive success. We present the first study on the reproductive biology of Stellera chamaejasme, a toxic perennial weed which is abundant in the alpine meadows on the eastern Tibetan Plateau of China since the 1960s. S. chamaejasme has synchronogamy and herkogamous flowers, which last for about 11 days. Flowers can be yellow, white or reddish. Our results suggest that this species is self-incompatible and depends entirely on pollen vectors for seed production. All the pollinators observed were Lepidopteran species; however, the pollinator assemblage was significantly different among populations and likely independent on floral colour. Reproductive success and invasion of the weed might be a complex function of floral traits, breeding system and pollination ecology. Generally, plants with generalized pollination system are more invasive. However, our results suggest that specialized flowers and self-incompatibility in the present case may not prevent invasion of the weed. (C) 2011 Published by Elsevier GmbH.
出版日期: 2011
卷号: 206, 期号:6, 页码:567-574
语种: 英语
收录类别: SCI
学科分类: Plant Sciences
ISSN号: 0367-2530
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.kib.ac.cn/handle/151853/3912
Appears in Collections:中国科学院东亚植物多样性与生物地理学重点实验室_期刊论文

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作者单位: 1.Chinese Acad Sci, Kunming Inst Bot, Key Lab Biodivers & Biogeog, Kunming 650204, Yunnan, Peoples R China

Recommended Citation:
Zhang, Zhi-Qiang; Zhang, Yong-Hong; Sun, Hang.The reproductive biology of Stellera chamaejasme (Thymelaeaceae): A self-incompatible weed with specialized flowers,FLORA,2011,206(6):567-574
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