식물분류학회지 (Korean Journal of Plant Taxonomy)

  • 제40권3호
  • /
  • Pages.145-152
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  • 2010
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  • 1225-8318(pISSN)
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  • 2466-1546(eISSN)
한국식물분류학회 (The Korean Society of Plant Taxonomists)
권호 표지

외부형태 형질에 의한 한국산 백운풀속(Oldenlandia L.)의 분류학적 연구

A taxonomic study of the external morphology of the Korean Oldenlandia L. (Rubiaceae)

  • 남보미 (안동대학교 생명자원과학부) ;
  • 장용석 (산림청 산림자원과) ;
  • 박명순 (안동대학교 생명자원과학부) ;
  • 엄정애 (국립산림품종관리센터) ;
  • 정규영 (안동대학교 생명자원과학부)
  • Nam, Bo Mi (School of Bioresource Science, Andong National University) ;
  • Jang, Yong Seok (Forest Resources Division, Korea Forest Service) ;
  • Park, Myung Soon (School of Bioresource Science, Andong National University) ;
  • Eom, Jeong Ae (Korea Forest Seed & Variety Center) ;
  • Chung, Gyu Young (School of Bioresource Science, Andong National University)
  • 투고 : 2010.09.09
  • 심사 : 2010.09.13
  • 발행 : 2010.09.30
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초록

한국산 백운풀속(Oldenlandia L.) 5종에 대하여 외부형태 형질을 재검토하고, 이중 25개의 양적 형질에 대한 수리분류를 통하여 분류군간의 한계를 파악하고자 하였다. 질적 형질에서 잎의 형태, 화서, 화관 내부의 연모, 열매의 상부 팽창, 종자의 형태 등이 분류군 간의 식별형질로 가치가 있었다. 양적 형질의 주성분분석 결과, 주성분 1과 주성분 2를 축으로 하는 산포도에서 산방백운풀(O. corymbosa), 탐나풀(O. hirsuta) 및 낚시돌풀(O. strigulosa)은 뚜렷하게 구분되었으나, 형태적으로 다소 유사한 제주백운풀(O. brachypoda)과 백운풀(O. diffusa)은 다소 겹치게 나타났다. 하지만 두 종은 형태적으로도 꽃받침 열편의 형태, 소화경의 길이, 수술대 및 주두의 길이 등의 차이로 뚜렷히 구분되었다. 또한 유집분석에 의해 두 종이 다르게 유집되는 것으로 나타났다.

The external morphological characters of the Korean Oldenlandia were reviewed, and numerical analysis of 25 quantitative characters carried out to evaluate the delimitation of the taxa. Among the qualitative characters, the leaf shape, inflorescence, pilose of insde corolla, expansion of capsule apex, and seed shape were used to delimit 5 species of Korean Oldenlandia. As the result of principal component analysis of quantitative characters, O. corymbosa, O. hirsuta and O. strigulosa were evidently separated on a two-dimensional plot by PC1 and PC2, and O. brachypoda and O. diffusa slightly overlapped. However, O. brachypoda was distinctly delimited from O. diffusa by the shape of calyx lobe, the lengths of pedicel, filament and stigma. Also each of those two species was in a group of its own by cluster analysis.

키워드

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