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题名: Cytological study on the genus Syncalathium (Asteraceae-Lactuceae), an endemic taxon to alpine scree of the Sino-Himalayas
作者: Zhang, Jian-Wen1, 2; Nie, Ze-Long1; Sun Hang(孙航)1
刊名: JOURNAL OF SYSTEMATICS AND EVOLUTION
关键词: Asteraceae ; chromosome numbers ; diploidy ; karyotype ; Syncalathium
英文摘要: Cytological characters of four species in Syncalathium (Asteraceae: Lactuceae), a small genus with six identified species endemic to alpine scree of the Sino-Himalayan region, are surveyed in this report. Three species (Syncalathium pilosum, Syncalathium chrysocephalum, and Syncalathium disciforme) are examined for the first time. Combined with our previous counts, five species have been cytologically investigated from the genus and the results indicated that all species are diploid with the basic somatic chromosome number of x=8. The karyotype asymmetry of Syncalathium souliei is 2A, distinct from the other four species of 1A, and the remaining species are divided into two subgroups with different karyotypes, consistent with their morphological features. The significance of the cytological evolution of Syncalathium is briefly discussed.
出版日期: 2009-05-01
卷号: 47, 期号:3, 页码:226-230
DOI标识: 10.1111/j.1759-6831.2009.00024.x
语种: 英语
收录类别: SCI
学科分类: Plant Sciences
ISSN号: 0529-1526
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.kib.ac.cn/handle/151853/14319
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, Key Lab Biodivers & Biogeog, Kunming Inst Bot, Kunming 650204, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China

Recommended Citation:
Zhang, JW; Nie, ZL; Sun, H.Cytological study on the genus Syncalathium (Asteraceae-Lactuceae), an endemic taxon to alpine scree of the Sino-Himalayas,JOURNAL OF SYSTEMATICS AND EVOLUTION ,2009,47(3):226-230
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文件名: Cytological study on the genus Syncalathium (Asteraceae-Lactuceae),an endemic taxon to alpine scree of the Sino-Himalayas.pdf
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