Journal of Life Science (생명과학회지)

Korean Society of Life Science (한국생명과학회)
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Morphological Analysis on the Kalopanax pictus (Araliaceae) of Korean Populations

한국 음나무(두릅과) 집단의 형태적 분석

  • Jung, Sang-Duk (Department of Biology, Pusan National University) ;
  • Hong, Jung-Hee (Department of Biology, Pusan National University) ;
  • Bang, Kyung-Hwan (Division of Ginseng & Medicinal Crops, National Institute of Crop Science, RDA) ;
  • Huh, Man-Kyu (Department of Molecular Biology, Dongeui University)
  • Published : 2004.06.01
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Abstract

Morphological characteristics of Kalopanox pictus Nakai were studied to examine population differentiation of this species. Based on a phenogram of using 23 morphological characteristics, differentiation of regions were distinct. Collections of 138 specimens from nine populations served as operational taxonomic unit (OTU's) were examined for phenotypic similarity and morphological variation using clustering (Ward's minimum variance method) and principal component analysis (PCA). The first three principal components were responsible for 77.0% of the total variance. Principal component 1 explained 52% of the total variance and was contributed to by the number of palmately parted, the number of pinnately lobed, and width between two lateral lobe apex.

한국내 분포하는 음나무(Kalopanox pictus Nakai)의 집단간 분화를 연구하기 위해 형태적 특성을 조사하였다. 23개 형태 형질에 근거하여 지역간 분화는 현저하였다. 아홉 집단에서 138표본으로 유효한 분류학적 단위(OTU)를 표현형 유사도와 형태적 변이를 조사하였으며 주성분 분석을 실시하였다. 첫 세 주성분 요소가 전체 변이의 77.0%에 관련이 있었다. 이 중 첫 번째 주성분 요소가 전체 변이의 52%에 기여하였는데 이에 해당되는 형질은 장상복엽의 장상렬의 수, 그리고 장상렬의 폭이다. 형태적 변이에 근거한 군집분석에서 우리나라 남부와 중부지방의 두 그룹으로 나누어졌다.

Keywords

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  1. Genetic diversity of Kalopanax pictus populations in Korea based on the nrDNA ITS sequence vol.39, pp.1, 2012, https://doi.org/10.5010/JPB.2012.39.1.075