| 岩白菜属概要 |
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| 引用本文： | 潘锦堂.岩白菜属概要[J].中国科学院研究生院学报,1988,26(2):120-129. |
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| 作者姓名： | 潘锦堂 |
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| 作者单位： | (中国科学院西北高原生物研究所，西宁) |
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| 摘 要： |
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| 关 键 词： | 岩白菜属 分类 地理分布 新种． |
A Conspectus of the Genus Bergenia Moench |
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| Pan Jin-Tang.A Conspectus of the Genus Bergenia Moench[J].Journal of the Graduate School of the Chinese Academy of Sciences,1988,26(2):120-129. |
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| Authors: | Pan Jin-Tang |
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| Institution: | (Northwest Platcau Institute of Biology, Academia Sinica, Xining) |
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| Abstract: | In this paper the classification of the genus Bergenia Moench is provided, its
geographic distribution analysed, and the phylogeny also traced. Based on an analysis of
morphological characters such as leaves, ocreas, branches of inflorescences, Pedicels, hypan-
thium, sepals, and glandular indumentum, thi genus is divided into 3 sections: 1. Sect. Scopu-
losae J. T. Pan, sect. nov., 2. Sect. Bergnia, 3. Sect. Ciliatae (A. Boriss.) J. T. Pan, stat. nov.
The Sect. Scopulosae J. T. Pan may be considered as the primitive one, while Sect. Ciliatae
(A. Boriss.) J. T. Pan may be regarded as the advanced one, with Sect. Bergenia in between.
So far, the genus Bergenia Moench comprises 9 species in the total. Southeast Asia and
North Asia (south and east Siberia, USSR) each have only 1 species, West Asia (Afghanis-
tan) has 2, Central Asia (Kirghizia-Tajikistan-Uzbekstan area, USSR) 3, South Asia 4 (Nepal
has 4, India, Pakistan and Kashmir area each has 3, Bhutan and Sikkim each has 2), East
Asia 6. In East Asia, Mongolia and Korea each have only 1 species, but China has 6 (includ-
ing endemic species 2 and new species 1). Sichuan Province and Xizang Autonomous Region
each have 3, Yunnan Province 2, Shaanxi Province (Qinling Mountains) and Uygur Autono-
mous Region of Xinjiang each have only 1.
Thus the distribution centre of this genus should be in the region covering Si-
chuan, Yunnan and Xizang. Moreover, it is noteworthy that Bergenia scopulosa T.
P. Wang in Sect. Scopulosae seems to have retained primitive characters, for exa-
mple, non-ciliate leaves and ocreas, glabrous pedicels, hypanthium and sepals, and
this primitive species is found in Qinling Mountains and Sichuan. According to the
distribution of the primitive species, the author suggests that the centre of origin of
this genus be in the region covering Qinling Mountains and Sichuan. |
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| Keywords: | Bergenia classification geographic distribution new species |
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