Extensive chromosome number variation in Aster ageratoides var. pendulus (Asteraceae)
Li, Wei-Ping1; Tang, Ming1; Yin, Gen-Shen2; Yin, Ying1; Yang, Fu-Sheng3; Chen, San-Mao1
Corresponding Authorlwp@hunnu.edu.cn
2011-04-01
Source PublicationBOTANICAL JOURNAL OF THE LINNEAN SOCIETY
ISSN0024-4074
Volume165Issue:4Pages:378-387
AbstractAster 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.
KeywordAneuploidy High Polyploidy Hybridization Mt Hupinshan Natural Population Neopolyploid
Subject AreaPlant Sciences
DOI10.1111/j.1095-8339.2011.01114.x
Indexed BySCI
Language英语
WOS Research AreaPlant Sciences
WOS SubjectPlant Sciences
WOS IDWOS:000288704200005
Citation statistics
Cited Times:7[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.kib.ac.cn/handle/151853/3934
Collection中国科学院东亚植物多样性与生物地理学重点实验室
Affiliation1.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
Recommended Citation
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.
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