Pollen morphology of Pedicularis sect. Cyathophora, a group endemic to the eastern Himalaya-Hengduan Mountains region
Yu, Wen-Bin1,2; Wang, Hong1
2008-02-01
发表期刊JOURNAL OF INTEGRATIVE PLANT BIOLOGY
ISSN1672-9072
卷号50期号:2页码:244-252
摘要Pedicularis sect. Cyathophora is a distinctive group endemic to the eastern Himalaya-Hengduan Mountains region. It was regarded as a 'grex' or section and included all four general corolla types of Pedicularis. A unique feature of it is that the leaf and bract bases are fused together to form a cup-like structure around the stem at each node. Pollen morphology of seven species in sect. Cyathophora was investigated by scanning electron microscopy (SEM) and light microscopy (LM). Two different pollen apertures could be distinguished (i.e. trisyncolpate and bisyncolpate) using LM, while examination with SEM made it possible to recognize three types of exine ornamentation (i.e. microscabrate, microfoveolate and microreticulate). The microfoveolate exine ornamentation was found in trisyncolpate pollen grains for the first time. Possible relationships between pollen data and the corolla types were discussed. Comparisons of floral and phyllotaxy characters of the genus Pedicularis, together with the pollen characters of sect. Cyathophora, could help us to better understand the evolutionary trends in Pedicularis.
关键词Eastern Himalaya Hengduan Mountains Pedicualris Pollen Morphology Sect. Cyathophora
学科领域Biochemistry & Molecular Biology ; Plant Sciences
DOI10.1111/j.1744-7909.2007.00364.x
收录类别SCI
语种英语
WOS研究方向Biochemistry & Molecular Biology ; Plant Sciences
WOS类目Biochemistry & Molecular Biology ; Plant Sciences
WOS记录号WOS:000253050100014
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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/151853/2729
专题中国科学院东亚植物多样性与生物地理学重点实验室
作者单位1.Chinese Acad Sci, Kunming Inst Bot, Key Lab Biodivers & Biogeog, Kunming 650204, Peoples R China
2.Grad Univ, Chinese Acad Sci, Beijing 100049, Peoples R China
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Yu, Wen-Bin,Wang, Hong. Pollen morphology of Pedicularis sect. Cyathophora, a group endemic to the eastern Himalaya-Hengduan Mountains region[J]. JOURNAL OF INTEGRATIVE PLANT BIOLOGY,2008,50(2):244-252.
APA Yu, Wen-Bin,&Wang, Hong.(2008).Pollen morphology of Pedicularis sect. Cyathophora, a group endemic to the eastern Himalaya-Hengduan Mountains region.JOURNAL OF INTEGRATIVE PLANT BIOLOGY,50(2),244-252.
MLA Yu, Wen-Bin,et al."Pollen morphology of Pedicularis sect. Cyathophora, a group endemic to the eastern Himalaya-Hengduan Mountains region".JOURNAL OF INTEGRATIVE PLANT BIOLOGY 50.2(2008):244-252.
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