First report of chromosome numbers and karyotypes of two monotypic genera endemic to eastern Asia: Brachystemma (Caryophyllaceae) and Craspedolobium (Fabaceae)
Xu, Jin1,2; Yin, Zhi-Jian1,2; Funamoto, Tsuneo3; Peng, Hua1
Corresponding Authorhpeng@mail.kib.ac.cn
2011
Source PublicationNORDIC JOURNAL OF BOTANY
ISSN0107-055X
Volume29Issue:2Pages:200-203
AbstractThe chromosome numbers and karyotypes of Brachystemma and Craspedolobium, two monotypic genera endemic to eastern Asia, are reported here for the first time. The somatic chromosome numbers are 2n=40 for Brachystemma calycinum and 2n=22 for Craspedolobium unijugum. A karyotype of 2n=2x=40=28m+12sm was found in B. calycinum and that of 2n=2x=22=12m+10sm in C. unijugum, both of them have a moderately symmetrical karyotype type 2B and small-sized chromosomes. Brachystemma has a unique basic chromosome number in Alsinoideae, which may support its isolated taxonomic position. As do some morphological characters, the basic chromosome number x=11 suggests that Craspedolobium belongs in the Millettioid clade.
KeywordCalycinum Millettieae Phylogeny Sequences Alkaloids
Subject AreaPlant Sciences
DOI10.1111/j.1756-1051.2010.00920.x
Indexed BySCI
Language英语
WOS Research AreaPlant Sciences
WOS SubjectPlant Sciences
WOS IDWOS:000290221600011
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.kib.ac.cn/handle/151853/3890
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.Chinese Acad Sci, Kunming Inst Bot, Key Lab Biodivers & Biogeog, Kunming 650204, Yunnan, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
3.Showa Pharmaceut Univ, Fundamental Educ & Res Ctr Pharmaceut Sci, Inst Biol, Machida, Tokyo 1948543, Japan
Recommended Citation
GB/T 7714
Xu, Jin,Yin, Zhi-Jian,Funamoto, Tsuneo,et al. First report of chromosome numbers and karyotypes of two monotypic genera endemic to eastern Asia: Brachystemma (Caryophyllaceae) and Craspedolobium (Fabaceae)[J]. NORDIC JOURNAL OF BOTANY,2011,29(2):200-203.
APA Xu, Jin,Yin, Zhi-Jian,Funamoto, Tsuneo,&Peng, Hua.(2011).First report of chromosome numbers and karyotypes of two monotypic genera endemic to eastern Asia: Brachystemma (Caryophyllaceae) and Craspedolobium (Fabaceae).NORDIC JOURNAL OF BOTANY,29(2),200-203.
MLA Xu, Jin,et al."First report of chromosome numbers and karyotypes of two monotypic genera endemic to eastern Asia: Brachystemma (Caryophyllaceae) and Craspedolobium (Fabaceae)".NORDIC JOURNAL OF BOTANY 29.2(2011):200-203.
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