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题名: The pollination syndrome of Pedicularis rex (Scrophulariaceae) and its biogeographic significance
作者: null(王红)
刊名: ACTA BOTANICA SINICA
关键词: Pedicularis rex ; pollination syndrome ; biogeography
英文摘要: The pollination biology of different populations of Pedicularis rex Clarke C B. was studied in Zhongdian of Northwest Yunnan and in Kunming of central Yunnan, respectively. Seed production depends exclusively upon pollination by bumblebees ( Bombus Latr.). The flowers are yellow, with short-tubed, erostrate and nectarless corolla. Two species of the bumblebee workers, Bombus friseanus Skorikov and B. lucorum L. foraged in an upright (nototribic) position for pollen. Meanwhile, Bombus friseanus workers also foraged in an inverted (sternotribic) position on P. rex, vibrating pollen from the anthers within the galea. This pollination syndrome was previously reported in the North American species, e.g. P. labradorica which has the same corolla-type with P. rex. A comparison of the corolla types and pollination syndrome on the species of Pedicularis in East Asia and North America indicates that such a pollination syndrome may be only found in the primitive corolla type of Pedicularis. In spite of the separation in the geological history, P. rex and P. labradorica share the same corolla type and pollination syndrome. Further study is needed to elucidate the biogeography of the Pedicularis.
出版日期: 1998
卷号: 40, 期号:9, 页码:781-+
语种: 英语
收录类别: SCI
学科分类: Biochemistry & Molecular Biology; Plant Sciences
ISSN号: 0577-7496
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.kib.ac.cn/handle/151853/14045
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, Kunming 650204, Peoples R China

Recommended Citation:
Wang, H.The pollination syndrome of Pedicularis rex (Scrophulariaceae) and its biogeographic significance,ACTA BOTANICA SINICA,1998,40(9):781
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