Extensive chromosome number variation in Aster ageratoides var. pendulus (Asteraceae)

CORC > 昆明植物研究所 > 中国科学院昆明植物研究所 > 中国科学院东亚植物多样性与生物地理学重点实验室

	Extensive chromosome number variation in Aster ageratoides var. pendulus (Asteraceae)
	Li, Wei-Ping 1; Tang, Ming 1; Yin, Gen-Shen 2; Yin, Ying 1; Yang, Fu-Sheng 3; Chen, San-Mao 1
刊名	BOTANICAL JOURNAL OF THE LINNEAN SOCIETY
	2011-04-01
卷号	165 期号:4 页码:378-387
关键词	aneuploidy high polyploidy hybridization Mt Hupinshan natural population neopolyploid
ISSN号	0024-4074
通讯作者	lwp@hunnu.edu.cn
英文摘要	Aster ageratoides var. pendulus, a recently described taxon, is endemic to Mt Hupingshan of north-western Hunan, China. Field observations and collections were made from the only known population. Root-tip squashes were used to determine the chromosome numbers of 96 plants and 61 seedlings from the achenes of eight sample plants. The results show that var. pedulus is a swarm of 30 cytotypes with nearly continuous chromosome numbers from 2n = 60 to 2n = 92. Chromosome numbers of 61 seedlings vary from 2n = 61 to 2n = 91, belonging to 18 cytotypes. The chromosome number variation of var. pendulus is highly unusual not only in the A. ageratoides polyploid complex but also in angiosperms. Such an enormous continuous variation of chromosome numbers could have arisen by the combined effect of hybridization, recent origin and high levels of polyploidy. (C) 2011 The Linnean Society of London, Botanical Journal of the Linnean Society, 2011, 165, 378-387.
学科主题	Plant Sciences
类目[WOS]	Plant Sciences
研究领域[WOS]	Plant Sciences
关键词[WOS]	FLOWERING PLANTS ; COMPOSITAE ; POLYPLOIDS ; MORPHOLOGY ; KARYOTYPE ; GENE
收录类别	SCI
资助信息	National Natural Science Foundation of China[30470131]; Hunan Provincial Education Department[08A046]
语种	英语
WOS记录号	WOS:000288704200005
公开日期	2012-03-16
内容类型	期刊论文
源URL	[http://ir.kib.ac.cn/handle/151853/3934]
专题	昆明植物研究所_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.Hunan Normal Univ, Coll Life Sci, Changsha 410081, Hunan, Peoples R China 2.Chinese Acad Sci, Key Lab Biodivers & Biogeog, Kunming Inst Bot, Kunming 650204, Peoples R China 3.Chinese Acad Sci, State Key Lab Systemat & Evolutionary Bot, Inst Bot, Beijing 100093, Peoples R China
推荐引用方式 GB/T 7714	Li, Wei-Ping,Tang, Ming,Yin, Gen-Shen,et al. Extensive chromosome number variation in Aster ageratoides var. pendulus (Asteraceae)[J]. BOTANICAL JOURNAL OF THE LINNEAN SOCIETY,2011,165(4):378-387.
APA	Li, Wei-Ping,Tang, Ming,Yin, Gen-Shen,Yin, Ying,Yang, Fu-Sheng,&Chen, San-Mao.(2011).Extensive chromosome number variation in Aster ageratoides var. pendulus (Asteraceae).BOTANICAL JOURNAL OF THE LINNEAN SOCIETY,165(4),378-387.
MLA	Li, Wei-Ping,et al."Extensive chromosome number variation in Aster ageratoides var. pendulus (Asteraceae)".BOTANICAL JOURNAL OF THE LINNEAN SOCIETY 165.4(2011):378-387.