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国产毛茛属植物五种一变种的核型
引用本文:聂谷华,廖亮,方亮,徐玲玲,史军伟,向其柏.国产毛茛属植物五种一变种的核型[J].云南植物研究,2007,29(3):316-322.
作者姓名:聂谷华  廖亮  方亮  徐玲玲  史军伟  向其柏
作者单位:1. 南京林业大学森林资源与环境学院,江苏,南京,210037;九江学院生命科学学院,江西,九江,332000
2. 九江学院生命科学学院,江西,九江,332000
3. 南京林业大学森林资源与环境学院,江苏,南京,210037
基金项目:国家自然科学基金;江西省自然科学基金
摘    要:对国产6种毛茛属(Ranunculus)植物进行了核型研究。它们的核型公式分别为:扇叶毛茛2n=4x=32=12m 20sm,云生毛茛2n=4x=32=16m 10sm 6st,曲升毛茛2n=4x=32=14m 16sm 2st及2n=5x=40=18m 16sm 4st 2T,西南毛茛2n=2x=16=12m 2sm 2st,匍枝毛茛2n=2x=16=8m 8st及2n=4x=32=12m 4sm 14st 2t,棱喙毛茛2n=2x=16=6m 6sm 4st。并结合形态及孢粉的资料就毛茛属植物核型不对称系数对分类的意义进行分析。

关 键 词:毛茛属  染色体数目  核型
文章编号:0253-2700(2007)03-316-07
修稿时间:2007-02-132007-04-30

Karyotypes of Five Species and One Variety in the Chinese Ranunculus (Ranunculaceae)
NIE Gu-Hua,LIAO Liang,FANG Liang,XU Ling-Ling,SHI Jun-Wei,XIANG Qi-Bai.Karyotypes of Five Species and One Variety in the Chinese Ranunculus (Ranunculaceae)[J].Acta Botanica Yunnanica,2007,29(3):316-322.
Authors:NIE Gu-Hua  LIAO Liang  FANG Liang  XU Ling-Ling  SHI Jun-Wei  XIANG Qi-Bai
Institution:1 College of Forest Resources and Environment, Nanjing Forestry University, Nanjing 210037, China; 2 College of Life Science of Jiufiang University, Jiujiang 332000, China
Abstract:The somatic chromosome numbers and detailed chromosome morphology have been studied in five species and one variety of the genus Ranunculus from China.Their numbers and karyotype formulas are:R.felixii,2n=4x=32=12m 20sm;R.nephelogenes,2n=4x=32=16m 10sm 6st;R.nephelogenes var.geniculatus,2n=4x=32=14m 16sm 2st or 2n=5x=40=18m 16sm 4st 2T;R.ficariifolius,2n=2x=16=12m 2sm 2st;R.repens,2n=2x=16=8m 8st or 2n=4x=32=12m 4sm 14st 2t;and R.trigonus,2n=2x=16=6m 6sm 4st,respectively.The chromosome number of R.nephelogenes var.geniculatus and the karyotype of R.nephelogenes var.nephelogenes are reported for the first time.In combination with data from morphology and pollen,the taxonomic implications of the indices of karyological asymmetry in Ranunculus are analysed.
Keywords:Ranunculus  Chromosome number  Karyotype
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