| Chromosome numbers and polyploidy in Leontopodium (Asteraceae: Gnaphalieae) from the Qinghai-Tibet Plateau of S.W. China | |
Meng, Ying1,2; Nie, Ze-Long1; Sun, Hang1 ; Yang, Yong-Ping1,2
| |
| 2012 | |
| 发表期刊 | CARYOLOGIA
 |
| 卷号 | 65期号:2页码:87-93 |
| 摘要 | Leontopodium R. Br. ex Cass. is the second largest genus within the Asian Gnaphalieae (Asteraceae) and is most diversified on the Qinghai-Tibet Plateau and its adjacent areas of SW China. The chromosome numbers and karyomorphology of five species from this region were investigated for the first time: Leontopodium sinense (2n = 28 = 22m + 6sm), L. muscoides (2n = 24 = 22m + 2sm), L. souliei (2n = 52 = 32m + 20sm), L. pusillum (2n = 72 = 52m + 20sm), and L. nanum (2n = 48 = 24m + 24sm). The results suggest that the basic chromosome number of Leontopodium is x = 14, followed with dysploidy numbers (e.g. x = 12, 13). Polyploidization has also played an important role in the evolution of Leontopodium in this region. |
| 关键词 | Chromosome Number Gnaphalieae Leontopodium Polyploidy Qinghai-tibet Plateau |
| DOI | 10.1080/00087114.2012.709779 |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000310431900001 |
| 引用统计 | |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://ir.kib.ac.cn/handle/151853/20450 |
| 专题 | 中国科学院东亚植物多样性与生物地理学重点实验室 |
| 作者单位 | 1.Chinese Acad Sci, Kunming Inst Bot, Key Lab Biodivers & Biogeog, Kunming 650204, Yunnan, Peoples R China 2.Chinese Acad Sci, Inst Tibetan Plateau Res Kunming, Kunming 650204, Yunnan, Peoples R China |
| 推荐引用方式 GB/T 7714 | Meng, Ying,Nie, Ze-Long,Sun, Hang,et al. Chromosome numbers and polyploidy in Leontopodium (Asteraceae: Gnaphalieae) from the Qinghai-Tibet Plateau of S.W. China[J]. CARYOLOGIA,2012,65(2):87-93. |
| APA | Meng, Ying,Nie, Ze-Long,Sun, Hang,&Yang, Yong-Ping.(2012).Chromosome numbers and polyploidy in Leontopodium (Asteraceae: Gnaphalieae) from the Qinghai-Tibet Plateau of S.W. China.CARYOLOGIA,65(2),87-93. |
| MLA | Meng, Ying,et al."Chromosome numbers and polyploidy in Leontopodium (Asteraceae: Gnaphalieae) from the Qinghai-Tibet Plateau of S.W. China".CARYOLOGIA 65.2(2012):87-93. |
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