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题名: Highly efficient pollination by bumblebees ensures seed production in Pedicularis lachnoglossa (Orobanchaceae), an early-flowering Himalayan plant
作者: Yu, Wen-Bin1, 2; null(李德铢)1; null(王红)1
刊名: JOURNAL OF SYSTEMATICS AND EVOLUTION
关键词: alpine plant ; bumblebee pollination ; floral specialization ; Pedicularis lachnoglossa ; pollen dispensing mechanism ; pollinator limitation
英文摘要: Pedicularis (Orobranchaceae) is a common high altitude genus of the Himalayas that may be affected by pollination limitation. Using Pedicularis lachnoglossa from Yulong (Jade Dragon) Snow Mountain in Lijiang (Yunnan Province, southwest China), we investigated the effects of high altitude habitats on the process of pollination and seed production. Floral biology, pollinator foraging behavior, breeding system, and pollination efficiency were examined using observation and exclusionary techniques. Pedicularis lachnoglossa was found to be entomophilous and exclusively pollinated by Bombus friseanus and B. yunnanicola. Our results indicated that pollination limitation in P. lachnoglossa was not significant. Under open pollination, approximately 80% of flowers were successfully pollinated and developed to fruits, and about 38% of ovules developed to mature seeds. Bumblebee pollination is highly precise and efficient in P. lachnoglossa, because its flowering phenology and floral characters enhance the foraging of bumblebees on flowers. This study supports that animal pollination plays a crucial role in the outbreeding of the early flowering Pedicularis. The evolution of floral specification in Pedicularis has the advantages of adaptation to bumblebee pollination in adverse high altitude habitats.
出版日期: 2012-05-01
卷号: 50, 期号:3, 页码:218-226
DOI标识: 10.1111/j.1759-6831.2012.00180.x
语种: 英语
ISSN号: 1674-4918
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内容类型: 期刊论文
URI标识: http://ir.kib.ac.cn/handle/151853/15071
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 650201, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China

Recommended Citation:
Yu, Wen-Bin; Li, De-Zhu; Wang, Hong.Highly efficient pollination by bumblebees ensures seed production in Pedicularis lachnoglossa (Orobanchaceae), an early-flowering Himalayan plant,JOURNAL OF SYSTEMATICS AND EVOLUTION,2012,50(3):218-226
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