Korean Journal of Plant Resources (한국자원식물학회지)

The Plant Resources Society of Korea (한국자원식물학회)
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Comparative studies on the Hanabusaya asiatica and its allied groups 2. Ultrastructure of epidermis, Palynological characters and Isoyme pat

금강초롱꽃 (Hanabusaya asiatica) 과 근연분류군의 비교연구 2. 표피의 미세구조, 화분학적 형질 및 동위원소 분석

  • Published : 1995.12.01
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Abstract

Microscopic structures of epidermis and palynology and isozyme analysis were examined to find out the intergeneric and interspecific relationships and consequently to confirm the position of Hanabusaya aiatica as an endemic genus among 4 genera and 9 species belonging to the Hanabusaya asiatica, Korean endemic, and its allied groups. In the examination of microscopic structures of epidermis, cell patterns of perianth and ultrastructure of seed coat were found to be useful characters for the identification of the 4 genera and 9 species. Palynological characters such as microscopic structure and overall morphology of pollen grains were, however, not enough to distinguish them because of the great variabilities in these traits. Isozyme analysis showed that H. asiatica was very closly related to Campanula punctata and C. takesimana, though there were variations among populations and collected areas in some classified groups, depending on classified groups. Based on these results, the position of H. asiatica as an endemic genus was well confirmed.

금강초롱꽃과 근연분류군 4속 9분류군에 대한 표피 및 화분의 미세구조, 동위효소 분석을 통하여 금강초롱꽃속(屬)이 특산속으로서 구분이 가능한가를 알아보았다. 표피는 미세구조에서는 잎이 표면과 이면세포의 모양, 화피의 세포형태, 종피의 미세구조 등이 속과 종을 구분하는데 유용한 형질로 나타났으며, 화분학적 형질에서는 표면무늬와 전체 형태에 많은 변이가 있어 속내 분류군들의 유집 및 분류가 불가능하였다. 동위효소 분석에서는 분류군에 따라 지역, 집단간 변이가 매우 심하게 나타났지만 금강초롱꽃과 가장 유사한 분류군은 초롱꽃과 섬초롱꽃으로 유집되어 나타났다. 이상의 결과에서 금강초롱꽃속(屬)은 근연 분류군과 표피의 형질, 동위효소 분석등에서 근연 분류군과 뚜렷한 차이가 있어 특산속으로서 잘 구분되었다.

Keywords

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