岩白菜属概要

中国科学院大学学报

岩白菜属概要

潘锦堂

(中国科学院西北高原生物研究所，西宁)

收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:1988-04-18 发布日期:1988-04-18
通讯作者: 潘锦堂

A Conspectus of the Genus Bergenia Moench

Pan Jin-Tang

(Northwest Platcau Institute of Biology, Academia Sinica, Xining)

Received:1900-01-01 Revised:1900-01-01 Online:1988-04-18 Published:1988-04-18
Contact: Pan Jin-Tang

摘要/Abstract

关键词: 岩白菜属, 分类, 地理分布, 新种．

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.

Key words: Bergenia, classification, geographic distribution, new species

潘锦堂. 岩白菜属概要[J]. 中国科学院大学学报.

Pan Jin-Tang. A Conspectus of the Genus Bergenia Moench[J]. .

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