Korean Journal of Plant Taxonomy (식물분류학회지)

The Korean Society of Plant Taxonomists (한국식물분류학회)
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Taxonomic status of three taxa of Elsholtzia (E. hallasanensis, E. springia, and E. splendens var. fasciflora) (Lamiaceae) based on molecular data

  • Lee, Chang Shook (Research Institute of EcoScience, Ewha Womans University) ;
  • Hwang, Kung Ae (Division of EcoScience, Ewha Womans University) ;
  • Kim, Jin Ok (Division of EcoScience, Ewha Womans University) ;
  • Suh, Hyoung Min (Department of Forest Environment and Resources, Kyungpook National University) ;
  • Lee, Nam Sook (Department of Life Science, Ewha Womans University)
  • Received : 2011.08.30
  • Accepted : 2011.09.14
  • Published : 2011.09.30
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Abstract

Elsholtzia hallasanensis, E. springia, and E. splendens var. fasciflora (Lamiaceae) were reported recently as new species or new varieties of E. splendens according to their morphological characteristics. To reappraise the taxonomic status of these additional taxa and to determine the relationships between all Korean Elsholtzia taxa except E. saxatilis, which is distributed in North Korea, molecular studies based on the nrDNA (ITS) and cpDNA (rpl16, and trnH-psbA) sequences of seven taxa of Elsholtzia and one outgroup were carried out. The molecular data support that E. angustifolia and E. minima are distinct species from E. splendens and E. ciliata, respectively, because they have several private marker genes and show monophyly. The molecular data also support that E. splendens has a very close taxonomic relationship with both E. hallasanensis and E. springia. We found that E. splendens var. fasciflora, with multiple inflorescence, was based on several private marker genes and on the monophyly of its trees, suggesting that it can be considered as a variety. Elsholtzia springia, with the same sequences and the same morphological characteristics with E. hallasanensis after transplanting, should be treated as a synonym of E. hallasanensis. Moreover, we consider the taxonomic status of E. hallasanensis as E. splendens var. hallasanensis (Y. Lee) N.S. Lee & C.S. Lee, stat. nov.

Keywords

References

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