식물분류학회지 (Korean Journal of Plant Taxonomy)

  • 제42권1호
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  • Pages.68-75
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  • 2012
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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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숲고사리삼과 애기고사리삼(고사리삼과): 한반도 미기록 식물의 형태로 본 계통적 위치

Sceptridium atrovirens and S. microphyllum (Ophioglossaceae): First report in Korea and its phylogenetic position based on morphology

  • 투고 : 2012.02.21
  • 심사 : 2012.03.07
  • 발행 : 2012.03.31
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초록

제주도 서귀포시 도순동에서 우리나라 고사리삼과의 미기록 분류군, 숲고사리삼과 애기고사리삼이 새로이 발견되었다. 숲고사리삼(Sceptridium atrovirens)은 고사리삼속의 다른 분류군에 비해서 굵은 땅속줄기와 뿌리를 갖으며, 불규칙하고 거친 톱니가 있으며, 비교적 길이가 작은 포자낭이삭을 갖는 점에서 뚜렷이 구분된다. 국명은 서식지의 특징을 고려하여 '숲고사리삼'으로 신칭하였다. 또한, 애기고사리삼(Sceptridium microphyllum)은 고사리삼속의 다른 분류군에 비해서 전체적으로 작고, 영양엽의 우편이 빽빽한 잎몸, 겨울에 부분적으로 벽돌색을 띠는 점에서 뚜렷이 구분된다. 국명은 전체적으로 작은 특징을 고려하여 '애기고사리삼'으로 신칭하였다. 이들 미기록 식물들의 계통을 파악하기 위하여 이들 식물과 유연종들의 형태적 형질 27개를 분석하여 분류학적 위치를 파악하고자 하였다. 주요형질에 대한 분류군의 기재 및 종의 해부도와 서식지 식물사진을 제시하였고, 아울러 한국산 고사리삼속 식물에 대한 검색표를 제시하였다.

Two unrecorded species (Sceptridium atrovirens and S. microphyllum), previously known only in Japan, were found in a forest in Dosun-dong, Seogwipo-si, Jeju-do for the first time in Korea. S. atrovirens was distinguished from other related species of the genus Sceptridium in Korea by having the thickest rhizome and root, irregularly crenulate or roughly serrate, and a shorter sporophore blade. The local name was newly given as 'Sup-go-sa-ri-sam' for the species, denoting the habitat. S. microphyllum was distinguished by having the smallest plant height, compact sterile blades, and partly lateritious tropophyll in winter. The local name was newly given as 'Aegi-go-sa-ri-sam' for species, meaning of a small size. To reveal the interspecific relationships within the genus Sceptridium in Korea, cladistic analysis was performed for 27 morphological characteristics. The morphological characteristics and illustrations of the two taxa, as well as photographs at the habitat, are provided with a taxonomic key to the species of Sceptridium in Korea.

키워드

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