Cytological studies on the Sino-Himalayan endemic Solms-laubachia (Brassicaceae) and two related genera
Yue, JP; Gu, ZJ; Al-Shehbaz, IA; Sun, H
通讯作者hsun@mail.kib.ac.cn
2004-05-01
发表期刊BOTANICAL JOURNAL OF THE LINNEAN SOCIETY
ISSN0024-4074
卷号145期号:1页码:77-86
摘要The karyotypes of six species of Solms-laubachia and one each of Parrya and Desideria (Brassicaceae) from the Himalayan-Hengduan Mountains (Tibet, Sichuan and Yunnan provinces) were investigated. Chromosome counts of S. xerophyta, S. lanata, S. platycarpa and D. baiogoinensis are reported for the first time and found to be diploid with 2n = 14. Diploid counts were also made of S. retropilosa, a species previously known to be a tetraploid. The karyotype formulae of D. baiogoinensis, S. eurycarpa, S. pulcherrima, S. retropilosa, S. xerophyta and S. platycarpa are 2n = 14 = 6 m + 6sm + 2st, whereas those of S. lanata and P. nudicaulis are 2n = 14 = 6 in + 2sm + 6st and 2n = 14 = 8 in + 4sm + 2st, respectively. Karyotypes and counts of S. eurycarpa and S. pulcherrima are in agreement with prior studies. The relationships within Solms-laubachia and among the three genera are discussed. Speciation within Solms-laubachia may have been the result of primarily intrachromosomal variation at the diploid level, and the genus probably evolved within the Himalayan-Hengduan Mountains instead of migrating from other regions. (C) 2004 The Linnean Society of London.
关键词Desideria Himalayan-hengduan Mountains Karyotypes Parrya Speciation
学科领域Plant Sciences
收录类别SCI
语种英语
WOS记录号WOS:000221534300005
引用统计
文献类型期刊论文
条目标识符http://ir.kib.ac.cn/handle/151853/2757
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 sBot, Kunming 650204, Yunnan, Peoples R China
2.Missouri Bot Garden, St Louis, MO 63166 USA
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Yue, JP,Gu, ZJ,Al-Shehbaz, IA,et al. Cytological studies on the Sino-Himalayan endemic Solms-laubachia (Brassicaceae) and two related genera[J]. BOTANICAL JOURNAL OF THE LINNEAN SOCIETY,2004,145(1):77-86.
APA Yue, JP,Gu, ZJ,Al-Shehbaz, IA,&Sun, H.(2004).Cytological studies on the Sino-Himalayan endemic Solms-laubachia (Brassicaceae) and two related genera.BOTANICAL JOURNAL OF THE LINNEAN SOCIETY,145(1),77-86.
MLA Yue, JP,et al."Cytological studies on the Sino-Himalayan endemic Solms-laubachia (Brassicaceae) and two related genera".BOTANICAL JOURNAL OF THE LINNEAN SOCIETY 145.1(2004):77-86.
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