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Korean J. Pl. Taxon > Volume 41(4); 2011 > Article
Korean Journal of Plant Taxonomy 2011;41(4): 338-344.
doi: https://doi.org/10.11110/kjpt.2011.41.4.338
ITS와 psbA-trnH 염기서열에 의한 한국산 메꽃속(Calystegia R.Br.)의 분류학적 연구
김상준 , 박선주
Molecular Phylogenetic Studies of Korean Calystegia R.Br. Based on ITS and psbA-trnH Sequences
Sang Jun Kim, Seon Joo Park
Received: November 21, 2011  Revised: December 7, 2011   Accepted: December 9, 2011
Abstract
Molecular phylogenetic studies were conducted to evaluate evolutionary trends, relationships and species identities among four species, one variety and one outgroup of the Korean Genus Calystegia. The important characteristics of Calystegia are the shape of the lamina, the length ofthe corolla and the presence of hair. However, many variations were observed as regards the characteristics of the leaf, making true identification difficult. In molecular phylogenetic studies, C. soldanella formed one clade, and it was located mostly in the base. C. hederacea and C. sepium did not form an independent clade in their ITS regions and psbA-trnH regions, and this investigation could not confirm a relationship. Therefore, a relationship between these two species is not sufficiently supported by these markers (ITS and psbA-trnH). Consequently, this research should be achieved through many samples and markers. C. sepium var. japonica and C. dahurica are closely related.
KeyWords: ITS, psbA-trnH, Calystegia, Convolvulaceae, molecular phylogeny
주요어: 메꽃속, 메꽃과, 분자계통
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