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题名: Cytological study of Tibetia (Fabaceae) in the Hengduan Mountains region, China
作者: null(聂泽龙); Gu, ZJ; Sun Hang(孙航)
刊名: JOURNAL OF PLANT RESEARCH
关键词: chromosome evolution ; Fabaceae ; Hengduan Mountains ; karyotype ; Tibetia
英文摘要: The Hengduan Mountains comprise one of the world's most important hot spots of biodiversity. Tibetia (Ali) H.P. Tsui (Fabaceae), which has four or five species in two sections, is one of the genera endemic to the region. This paper describes for the first time the karyotype of three of those species. The chromosome counts of all three are 2n = 16. The karyotypes of the species examined contain chromosomes of variable karyotypic symmetry with centromeres at median and submedian positions that correlate with the morphological characteristics of the species. Karyotypic variation at the diploid level appears to be the predominant feature of chromosome evolution in the genus and may provide a clue to the study of evolutionary patterns of plants in this region.
出版日期: 2002-02-01
卷号: 115, 期号:1117, 页码:17-22
语种: 英语
收录类别: SCI
学科分类: Plant Sciences
ISSN号: 0918-9440
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.kib.ac.cn/handle/151853/2723
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, Dept Plant Taxon, Kunming 650204, Peoples R China

Recommended Citation:
Nie, ZL; Gu, ZJ; Sun, H.Cytological study of Tibetia (Fabaceae) in the Hengduan Mountains region, China,JOURNAL OF PLANT RESEARCH,2002,115(1117):17-22
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