Karyological studies on the Sino-Himalayan genus, Cremanthodium (Asteraceae : Senecioneae)

	Karyological studies on the Sino-Himalayan genus, Cremanthodium (Asteraceae : Senecioneae)
	Liu, JQ ; Liu, SW ; Ho, TN ; Lu, AM
刊名	botanical journal of the linnean society
	2001-02-01
卷号	135 期号:2 页码:107-112
关键词	chromosome number cytotaxonomy karyotype
合作状况	其它
中文摘要	twenty-two populations of seven species of cremanthodium from high altitude regions of western china were observed karyologically. c. ellisii, c. microglossum, c. brunneo-pilosum, c. stenoglossum, c. discoideum and c. lineare all had the same chromosome number of 2n=58 whereas c. humile had 2n=60. all chromosome numbers of these species are documented here for the first time. the basic number of x=30 is new for this genus. the karyotypes of all species belong to 2a type according to stebbins' asymmetry classification of karyotypes. two basic chromosome numbers, x=30 and x=29 in cremanthodium, correspond exactly to two branching patterns in this genus, sympodial versus monopodial. the systematic and taxonomic statuses of the sympodial species need further study. the karyomorphological data provide no support to the sectional subdivision in cremanthodium. (c) 2001 the linnean society of london.
英文摘要	twenty-two populations of seven species of cremanthodium from high altitude regions of western china were observed karyologically. c. ellisii, c. microglossum, c. brunneo-pilosum, c. stenoglossum, c. discoideum and c. lineare all had the same chromosome number of 2n=58 whereas c. humile had 2n=60. all chromosome numbers of these species are documented here for the first time. the basic number of x=30 is new for this genus. the karyotypes of all species belong to 2a type according to stebbins' asymmetry classification of karyotypes. two basic chromosome numbers, x=30 and x=29 in cremanthodium, correspond exactly to two branching patterns in this genus, sympodial versus monopodial. the systematic and taxonomic statuses of the sympodial species need further study. the karyomorphological data provide no support to the sectional subdivision in cremanthodium. (c) 2001 the linnean society of london.
学科主题	植物学
WOS标题词	science & technology ; life sciences & biomedicine
类目[WOS]	plant sciences
研究领域[WOS]	plant sciences
收录类别	SCI
语种	英语
WOS记录号	WOS:000167408100003
公开日期	2009-12-10
内容类型	期刊论文
源URL	[http://ir.nwipb.ac.cn/handle/363003/1427]
专题	西北高原生物研究所_中国科学院西北高原生物研究所
作者单位	1.Chinese Acad Sci, NW Plateau Inst Biol, Xining 810001, Peoples R China 2.Chinese Acad Sci, Inst Bot, Plant Systemat & Evolutionary Lab, Beijing 100093, Peoples R China
推荐引用方式 GB/T 7714	Liu, JQ,Liu, SW,Ho, TN,et al. Karyological studies on the Sino-Himalayan genus, Cremanthodium (Asteraceae : Senecioneae)[J]. botanical journal of the linnean society,2001,135(2):107-112.
APA	Liu, JQ,Liu, SW,Ho, TN,&Lu, AM.(2001).Karyological studies on the Sino-Himalayan genus, Cremanthodium (Asteraceae : Senecioneae).botanical journal of the linnean society,135(2),107-112.
MLA	Liu, JQ,et al."Karyological studies on the Sino-Himalayan genus, Cremanthodium (Asteraceae : Senecioneae)".botanical journal of the linnean society 135.2(2001):107-112.