Cytological study on the genus Syncalathium (Asteraceae-Lactuceae), an endemic taxon to alpine scree of the Sino-Himalayas
Zhang, Jian-Wen1,2; Nie, Ze-Long1; Sun, Hang1
通讯作者hsun@mail.kib.ac.cn
2009-05-01
发表期刊JOURNAL OF SYSTEMATICS AND EVOLUTION
ISSN0529-1526
卷号47期号:3页码:226-230
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.
关键词Asteraceae Chromosome Numbers Diploidy Karyotype Syncalathium
学科领域Plant Sciences
DOI10.1111/j.1759-6831.2009.00024.x
收录类别SCI
语种英语
WOS记录号WOS:000267179800005
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被引频次:13[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.kib.ac.cn/handle/151853/14319
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, Key Lab Biodivers & Biogeog, Kunming Inst Bot, Kunming 650204, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
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Zhang, Jian-Wen,Nie, Ze-Long,Sun, Hang. Cytological study on the genus Syncalathium (Asteraceae-Lactuceae), an endemic taxon to alpine scree of the Sino-Himalayas[J]. JOURNAL OF SYSTEMATICS AND EVOLUTION,2009,47(3):226-230.
APA Zhang, Jian-Wen,Nie, Ze-Long,&Sun, Hang.(2009).Cytological study on the genus Syncalathium (Asteraceae-Lactuceae), an endemic taxon to alpine scree of the Sino-Himalayas.JOURNAL OF SYSTEMATICS AND EVOLUTION,47(3),226-230.
MLA Zhang, Jian-Wen,et al."Cytological study on the genus Syncalathium (Asteraceae-Lactuceae), an endemic taxon to alpine scree of the Sino-Himalayas".JOURNAL OF SYSTEMATICS AND EVOLUTION 47.3(2009):226-230.
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