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외부형태와 종자의 미세구조에 의한 한국산 바늘꽃족(바늘꽃과)의 분류학적 연구

Taxonomic studies of tribe Epilobieae Endl. (Onagraceae) in Korea based on morphology and seed microstructure

  • 이상룡 (일본 토호쿠대학교 식물원) ;
  • 허경인 (성균관대학교 생명과학과) ;
  • 이상태 (성균관대학교 생명과학과) ;
  • 유만희 (한국환경기술개발(주) 부설생태연구소) ;
  • 김용성 (성균관대학교 생명과학과) ;
  • 이준선 (성균관대학교 생명과학과) ;
  • 김승철 (성균관대학교 생명과학과)
  • Lee, Sangryong (Botanical Gardens, Tohoku University) ;
  • Heo, Kyeong-In (Department of Biological Sciences, Sungkyunkwan University) ;
  • Lee, Sangtae (Department of Biological Sciences, Sungkyunkwan University) ;
  • Yoo, Manhee (Korea Environmental Research Inc.) ;
  • Kim, Yongseong (Department of Biological Sciences, Sungkyunkwan University) ;
  • Lee, Joon Seon (Department of Biological Sciences, Sungkyunkwan University) ;
  • Kim, Seung-Chul (Department of Biological Sciences, Sungkyunkwan University)
  • 투고 : 2013.06.14
  • 심사 : 2013.09.03
  • 발행 : 2013.09.27

초록

한국산 바늘꽃족(Epilobieae Endl.)에 대한 외부형태학적 형질에 근거한 분류학적인 연구를 수행하였다. 그 결과 한국에는 분홍바늘꽃속(Chamerion (Raf.) Raf. ex Holub) 1분류군과 바늘꽃속(Epilobium L.)분류군이 존재하는 것으로 정리되었다. 분홍바늘꽃(C. angustifolium subsp. angustifolium)은 이전까지 바늘꽃속이나 또는 분홍바늘꽃속에 속했으나, 잎이 호생하고, 꽃은 다소 좌우상칭이며 꽃잎의 끝이 갈라지지 않고, 수술 8개의 길이가 거의 비슷한 특징으로 바늘꽃속 식물들과 잘 구분되었다. 가는민바늘꽃(E. platystigmatosum)을 제외한 바늘꽃속 종들의 종자 표면을 전자현미경으로 관찰한 결과 종자 표면은 유두상 돌기(papillose), 그물형 돌기(reticulate), 이랑형 배열의 유두상 돌기(ridged)의 세 가지 형태로 분류되었다. 줄바늘꽃(E. ciliatum subsp. ciliatum)은 속내에서 유일하게 이랑형(ridged) 배열의 유두상 돌기를 지녀 차이가 있었다. 돌바늘꽃(E. amurense subsp. cephalostigma)은 잎의 모양, 털의 형태와 분포, 식물체의 크기와 습성 등에서 호바늘꽃(E. amurense subsp. amurense)과 잘 구별되었다. 회령바늘꽃(E. fastigiatoramosum)과 버들바늘꽃(E. palustre)은 잎이 전연인 점에서 비슷하나, 전자는 잎이 긴 타원형이며 주두가 두상이고 종자의 표면무늬가 유두상인 특징을 보이며, 후자는 잎이 긴 피침형이며 주두가 곤봉형이고 종자의 표면무늬가 그물상인 특징을 가져 잘 구별되었다. 그동안 보고되지 않았던 가는민바늘꽃(E. platystigmatosum)을 새롭게 포함시켰다.

In this paper, we conducted the taxonomic study of the tribe Epilobieae Endl. and concluded that a total of nine taxa, including one Chamerion (Raf.) Raf. ex Holub and eight Epilobium L., exist in Korea. Although C. angustifolium subsp. angustifolium has been placed traditionally either in Epilobium or Chamaenerion, it can be clearly distinguished from the species of Epilobium by having alternate leaves, slightly zygomorphic flowers, non-clefted petals, and equal length of 8 stamens, supporting the recognition of genus Chamerion. All but one species of Epilobium, E. platystigmatosum, was investigated for the surface of seeds using scanning electron microscope (SEM). The seed sculpture of Korean Epilobium can be classified into three types, i.e., papillose, reticulate, and ridged. E. ciliatum subsp. ciliatum is the only species Epilobium, which has the ridged seed sculpture. E. amurense subsp. cephalostigma can be distinguished from conspecific E. amurense subsp. amurense based on leaf shape, trichome shape and distribution, size and habit. Both E. fastigiatoramosum and E. palustre have entire leaf margins, but they can be distinguished based on leaf shape, stigma, and seed sculpture; the former has elongated elliptic leaves, capitate stigma, ridged seed sculpture, whereas the latter one has elongated lanceolate leaves, club-shaped stigma, and reticulate seed sculpture. Finally, we report the first record of E. platystigmatosum in Korea, and further comparative study including conspecific populations from Japan and China can clarify the occurrence of this taxon in Korea.

키워드

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피인용 문헌

  1. Phylogenetic Relationship of Araliaceae in Korea by Seed Morphological Characteristics vol.17, pp.2, 2015, https://doi.org/10.17663/JWR.2015.17.2.139
  2. A new species of Epilobium (Onagraceae) from Ulleungdo Island, Korea, Epilobium ulleungensis vol.47, pp.2, 2017, https://doi.org/10.11110/kjpt.2017.47.2.100
  3. Effect of nutrient and moisture on the growth and reproduction of Epilobium hirsutum L., an endangered plant vol.41, pp.10, 2017, https://doi.org/10.1186/s41610-017-0054-z
  4. Epilobiumpyrricholophum Extract Suppresses Porcine Pancreatic Elastase and Cigarette Smoke Extract-Induced Inflammatory response in a Chronic Obstructive Pulmonary Disease Model vol.10, pp.12, 2013, https://doi.org/10.3390/foods10122929