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湖南省新纪录植物武陵黄精的发现及其核型
引用本文:向魁文,储昭福,孟然,杨慧铃,张代贵.湖南省新纪录植物武陵黄精的发现及其核型[J].吉首大学学报(自然科学版),2018,39(6):50.
作者姓名:向魁文  储昭福  孟然  杨慧铃  张代贵
作者单位:(1.湘西自治州林业科技推广站,湖南 吉首 416000;2.植物资源保护与利用湖南省高校重点实验室,湖南 吉首 416000;3.吉首大学生物资源与环境科学学院,湖南 吉首 416000;4.吉首市林业局,湖南 吉首 416000)
基金项目:国家基本药物所需中药原料资源调查和检测项目 (财社 (2011)76号);中国科学院科技服务网络计划资助项目 (KFJ-3W-No1)
摘    要:报道了湖南黄精属新记录植物武陵黄精Polygonatum sinopubescens的发现及核型.该植物分布于湖南高望界国家自然保护区境内,其染色体数目2n=18,核型公式为2n=2x=12m+(2sat)+6sm (2sat),为3B型.新分布点的发现为本种的分类学和系统学研究提供了更多样化的样品,同时为种质资源保护及其合理开发提供了基础资料.

关 键 词:武陵黄精  黄精属  核型  湖南省  

Distribution of the Newly Recorded Plant Polygonatum Sinopubescens in Hunan,China and Its Karyotype
XIANG Kuiwen,CHU Zhaofu,MENG Ran,YANG Huiling,ZHANG Daigui.Distribution of the Newly Recorded Plant Polygonatum Sinopubescens in Hunan,China and Its Karyotype[J].Journal of Jishou University(Natural Science Edition),2018,39(6):50.
Authors:XIANG Kuiwen  CHU Zhaofu  MENG Ran  YANG Huiling  ZHANG Daigui
Institution:(1.Forestry Science and Technology Promotion Station of Xiangxi Tujia and Miao Autonomous Prefecture,Jishou 416000,Hunan China;2.Key Laboratory of Plant Resources Conservation and Utilization,Jishou University,Jishou 416000,Hunan China;3.College of Biological Resources and Environmental Sciences,Jishou University,Jishou 416000,Hunan China;4.Forestry Bureau of Jishou City,Jishou 416000,Hunan China)
Abstract:This study reports the distribution of a newly recorded species Polygonatum sinopubescens (Polygonatum,Liliaceae) in the National Nature Reserve of Gaowangjie,Guzhang county,Hunan,China.The karyotype of the chromosomes of Polygonatumsinopubescens is also reported.The chromosome numbers is 2n=18 with the karyotype formula being 2n=2x=12m (2sat)+6sm (2sat) and the type is 3B.The discovery of occurrence locality provides more diverse samples for further classification and phylogenetic analysis,and also offers the basic information for protection and rational development of germplasm resources.
Keywords:Polygonatum sinopubescens" target="_blank">Polygonatum sinopubescens')">Polygonatum sinopubescens                                                                                                                        Polygonatum                                                                                                                        karyotype                                                                                                                        Hunan Province
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