식물분류학회지 (Korean Journal of Plant Taxonomy)

  • 제45권2호
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  • Pages.183-191
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  • 2015
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  • 1225-8318(pISSN)
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  • 2466-1546(eISSN)
한국식물분류학회 (The Korean Society of Plant Taxonomists)
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한국산 박주가리아과(광의의 협죽도과)의 화분학적 연구

A palynological study of the subfamily Asclepiadoideae (Apocynaceae s.l.) in Korea

  • Nam, Bo Mi (Department of Medicinal Plant Resources, Andong National University) ;
  • Chung, Gyu Young (Department of Medicinal Plant Resources, Andong National University)
  • 투고 : 2015.05.19
  • 심사 : 2015.06.08
  • 발행 : 2015.06.30
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초록

한국산 박주가리아과(Asclepiadoideae)에 속하는 4속(Cynanchum, Marsdenia Metaplexis, Tylophora)의 14분류군을 대상으로 해부현미경과 주사전자현미경을 이용하여 화분학적 형질을 관찰 및 측정하였다. 연구 결과, 화분괴(pollinia)의 방향, 세립상의 화분괴 표면무늬는 속을 구분하는 유용한 형질로 나타났다. 한편, 기존에 속 이상의 계급에서 주요 화분학적 형질로 여겨지던 화분괴병(translator-arm)이 붙는 화분괴의 위치는 나도은조롱속(Marsdenia)을 제외하고는 뚜렷이 구분되지 않아 속간 한계를 구분하기에는 어려운 것으로 확인되었다. 또한 왜박주가리속(Tylophora)의 왜박주가리(Tylophora floribunda)에서 유일하게 구상체(corpusculum)의 가장자리가 결각상인 것으로 본 연구에서 처음 관찰되었다. 이외에 화분괴, 화분괴병 및 구상체의 양적 형질에서 크기가 다양하게 나타나 종간 분류에 유용한 것으로 조사되었다.

The palynological characters of 14 taxa of 4 genera (Cynanchum, Metaplexis, Tylophora, Marsdenia) in Asclepiadoideae were observed and measured using SM and SEM. The orientation and granulate surface patterns of the pollinia were important characters for delimitating the genera. The position of the attachment of the translator arms to the pollinia, considered to be an important character for recognizing the above genera, was an overlapping character among the genera and can therefore be utilized only as taxonomy at the species level. Also, we found for the first time that only Tylophora floribunda has an incised margin of the corpusculum. The quantitative characters of the pollinia, arms and corpusculum were useful keys for the delimitation of the species.

키워드

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피인용 문헌

  1. Taxonomic implications of floral morphology in the subfamily Asclepiadoideae (Apocynaceae s.l.) in Korea vol.48, pp.3, 2018, https://doi.org/10.11110/kjpt.2018.48.3.172