Korean Journal of Plant Taxonomy (식물분류학회지)

The Korean Society of Plant Taxonomists (한국식물분류학회)
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Comparison of the morphology and distribution of the genus Megaleranthis Ohwi with those of its relative genera (Ranunculaceae)

모데미풀속과 근연속들의 형태 및 분포 비교 (미나리아재비과)

  • Son, Dong Chan (Department of Biological Sciences, Hannam University) ;
  • Cho, Kyung Jin (Department of Variety Examination, Korea Forest Seed & Variety Center) ;
  • Ko, Sung Chul (Department of Biological Sciences, Hannam University)
  • 손동찬 (한남대학교 생명나노과학대학 생명과학과) ;
  • 조경진 (국립산림품종관리센터 품종심사과) ;
  • 고성철 (한남대학교 생명나노과학대학 생명과학과)
  • Received : 2011.06.03
  • Accepted : 2011.11.17
  • Published : 2011.12.31
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Abstract

To elucidate the taxonomic status of the genus Megaleranthis Ohwi, a monotype in Korea, its distribution and morphological characteristics were studied and a cluster analysis was performed. The cluster analysis showed that Megaleranthis was separately clustered from Trollius and Calathodes. Megaleranthis is morphologically different from Calathodes Hook.f. et Thomson in having petals, and from Trollius L. in having an involucre instead of a caulescent leaf under the flower and follicles with simple veins. The three genera above are distributed independently within Asia, although they can be found together at the boundaries where their distributions overlap: Trollius and Calathodes occur together between the Sichuan and Yunnan provinces in China, and Megaleranthis and Trollius can both be found on the northern edge of the Korean Peninsula. From both a morphological and a distributional viewpoint, Megaleranthis should be recognized as an independent genus different from both Trollius and Calathodes.

모데미풀(Megaleranthis saniculifolia Ohwi, monotype)의 외부형태학적 특징과 분포역을 조사하였다. 또한 근연속으로 알려진 금매화속(Trollius L.)과 Calathodes속(Calathodes Hook.f. et Thomson)의 질적 외부형태학적 형질에 대한 유집분석을 통하여 모데미풀속의 분류학적 위치에 대해 고찰하고자 하였다. 그 결과, 모데미풀은 금매화속, Calathodes속과 0.385의 낮은 유사도를 나타냈으며, 금매화속은 Calathodes속과 함께 유집되어 모데미풀속과 뚜렷이 구분되었다. 모데미풀은 화피편이 존재하는 특징으로 Calathodes속 식물과 뚜렷이 구분되며, 금매화속 식물과는 꽃 아래에 경생엽 대신 한 매의 총포엽을 가지고 있고, 골돌의 맥은 분지되지 않는 특징에 의해 구분된다. 상기 3속의 분포역에 있어서 금매화속과 Calathodes속 식물은 이들의 분포경계지인 중국의 사천성과 운남성지역에서, 모데미풀과 금매화속 식물은 이들의 분포경계지인 한반도 북부지역에서 각각 부분적으로 중복되나, 전체적으로 볼 때 이들 각각은 나름대로의 독립적인 분포역을 가지고 있다. 따라서 모데미풀은 근연속들과의 외부형태학적 차이가 분명하고, 분포역을 비교해 볼 때 독립된 속으로의 처리가 타당하다고 판단된다.

Keywords

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