Korean Journal of Plant Taxonomy (식물분류학회지)

The Korean Society of Plant Taxonomists (한국식물분류학회)
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Taxonomy of the genus Scrophularia (Scrophulariaceae) in Korea

한국산 현삼속(현삼과)의 분류학적 연구

  • Han, Kyeongsuk (Division of Biological Sciences and Korean Institute for Biodiversity Research, Chonbuk National University) ;
  • So, Soonku (Division of Biological Sciences and Korean Institute for Biodiversity Research, Chonbuk National University) ;
  • Lee, Chung-Hee (National Arboretum) ;
  • Kim, Muyeol (Division of Biological Sciences and Korean Institute for Biodiversity Research, Chonbuk National University)
  • 한경숙 (전북대학교 자연과학대학 생물과학부 & 생물다양성연구소) ;
  • 소순구 (전북대학교 자연과학대학 생물과학부 & 생물다양성연구소) ;
  • 이정희 (국립수목원) ;
  • 김무열 (전북대학교 자연과학대학 생물과학부 & 생물다양성연구소)
  • Published : 2009.12.31
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Abstract

Inter-specific relationships among six species and two varieties, belonging to Scrophularia (Scrophulariaceae), in Korea were re-examined based on both morphological and molecular data. Scrophularia takesimensis, a Korean endemic species, should be separated from S. grayana as an independent species based upon unique morphological characters such as non-winged stems, thickened leaves and glabrous surfaces of leaves, even though they share a lot of other features. It was found that S. grayana is distributed in Sokcho in Korea and along the coast of the East Sea north to far eastern Russia. Although some morphologies of three taxa, S. cephalantha, S. koraiensis var. velutina and S. kakudensis var. microphylla appeared to differ from each other, their ITS DNA sequence data was similar to that of S. kakudensis, suggesting that they might better be designated with the later species. The taxonomic position of S. koraiensis, only found in Korea, has been ambiguous, but ITS DNA sequence data in this study revealed that this species is distinct from S. kakudensis. Consequently, we conclude that the genus Scrophularia in Korea includes five species.

한국산 현삼속(Scrophularia L.) 6종 2변종에 대한 외부 형태와 ITS 염기서열에 의한 분자계통학적 연구를 수행하여 종의 한계와 유연관계를 살펴보았다. 섬현삼(S. takesimensis)은 개현삼(S. grayana)과 유사하나 뚜렷이 구별되는 독립된 한국 특산종임을 지지해주었다. 개현삼은 그동안 한국의 분포에 대한 논쟁이 많았으나 이번 연구를 통해 러시아에서 동해안을 따라 속초까지 남하한다는 사실을 알게 되었다. 몽울토현삼(S. cephalantha), 일월토현삼(S. koraiensis var. velutina), 좀현삼(S. kakudensis var. microphylla)은 ITS 염기서열이 큰개현삼(S. kakudensis)과 거의 같아 형태적 변이가 있지만 큰개현삼에 통합해야함을 지지해 주었다. 토현삼(S. koraiensis)은 분류학적 위치가 불분명했으나 ITS 염기서열 결과 큰개현삼과 뚜렷이 구별되어 별개의 한국 특산종임을 지지해 주었다. 따라서 한국산 현삼속을 5종으로 재정리하였다.

Keywords

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