식물분류학회지 (Korean Journal of Plant Taxonomy)

  • 제40권1호
  • /
  • Pages.27-42
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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

한국산 쑥속(국화과)의 두상화서 형태에 의한 분류학적 연구

Taxonomic study on the capitulum morphology of Korean Artemisia (Compositae)

  • 박명순 (안동대학교 생명자원과학부) ;
  • 홍기남 (안동대학교 생명자원과학부) ;
  • 엄정애 (국립산림품종관리센터) ;
  • 정규영 (안동대학교 생명자원과학부)
  • Park, Myung Soon (School of Bioresource Science, Andong National University) ;
  • Hong, Ki Nam (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 : 2009.11.21
  • 심사 : 2010.03.09
  • 발행 : 2010.03.31
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초록

본 연구는 한국산 쑥속 23분류군에 대하여 두상화서의 세부 형질을 조사하여 분류학적 중요도를 파악하고자 하였다. 쑥속의 속내 분류에 있어서 전통적인 아속의 구분형질인 중앙화의 임성 여부에 의해 중앙화가 불임성인 Dracunculus아속과 중앙화가 임성인 Artemisia아속으로 구분되었다. Artemisia아속 내에서 절을 구분하는 형질로 알려진 화탁의 털 유무는 화탁에 털이 밀생하거나, 성기게 나는 Absinthium절과 화탁에 털이 없는 Abrotanum절, Artemisia절과 구분되었다. 그러나 Abrotanum절의 큰비쑥(A. fukudo), 더위지기(A. sacrorum)와 Artemisia절의 외잎쑥(A. viridissima)에서 성기게 털이 있는 화탁이 관찰됨으로, 절의 식별형질로서 인정되는 무모성 화탁의 가치는 재검토되어야 할 것으로 판단되었다. 이외에 관찰된 형질 중 두상화서의 전체 형태와 크기, 주두정단의 특징, 포편의 털, 중앙화와 주변화 화관의 형태 등은 종의 식별로서 가치가 있는 것으로 판단된다.

This study was intended to investigate the capitulum morphology and to evaluate its taxonomic importance within the 23 taxa of Korean Artemisia L. The Korean Artemisia was classified into sterile subg. Dracunculus and fertile subg. Artemisia by the fertility of the disk florets, which is the traditional diagnostic character of subgenera. There are sections in subg. Artemisia: sect. Absinthium with a densely, sparsely hairy receptacle, and sect. Abrotanum and sect. Artemisia with a glabrous receptacle. However, A. fukudo and A. sacrorum belonging to sect. Abrotanum, and A. viridissima belonging to sect. Artemisia were observed to have sparsely hairy receptacles. Therefore, the presence of hair on a receptacle, which is now regarded as a key character distinguishing sections, has to be reevaluated. The whole shape and size of the capitulum, the characteristic of the stigma apex, the hair on the involucral bract, and the shape of the central or peripheral floret are thought to be the most valuable characters to consider in recognizing species.

키워드

과제정보

연구 과제 주관 기관 : 국립산림품종관리센터

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