Korean Journal of Plant Taxonomy (식물분류학회지)

The Korean Society of Plant Taxonomists (한국식물분류학회)
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New record of an alien plant, Desmodium paniculatum (Fabaceae), in Korea based on a morphological examination and DNA barcoding

형태와 DNA 바코드에 근거한 한국 미기록 외래식물의 보고, 미국잔디갈고리(콩과)

  • JIN, Dong-Pil (Plant Resources Division, National Institute of Biological Resources) ;
  • KIM, Jung-Hyun (Plant Resources Division, National Institute of Biological Resources) ;
  • SIM, Sunhee (Plant Resources Division, National Institute of Biological Resources) ;
  • SUH, Hwa-Jung (Department of Biology, Daejeon University) ;
  • KIM, Jin-Seok (Geumsugangsan)
  • Received : 2021.03.19
  • Accepted : 2021.06.10
  • Published : 2021.06.30
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Abstract

Desmodium paniculatum (Fabaceae), native to North America and an alien plant in Japan, was newly found in Hwaseong-si and Daejeon-si, Korea. This species is distinguished from Korean-related taxa based on certain morphological features. Specifically, it is a perennial herb, with a 4-5 jointed loment, and with the basal suture moderately incised between the articles. In the field, D. paniculatum grows around rivers and roadsides, suggesting that it is likely to have been introduced through river improvement work and road construction. On the phylogenetic tree based on an internal transcribed spacer, Korean individuals forms a clade with a Japanese individual. Here, we report a morphological description, photographs, an illustration, and the locality of D. paniculatum.

북아메리카 원산이며, 일본에서는 외래식물로 알려진 미국잔디갈고리(Desmodium paniculatum)가 국내의 화성시와 대전시에서 발견되었다. 본종은 다년생 초본이며, 협과는 4-5개의 소절과로 연결되고, 소절과 사이의 배축면이 완만하게 좁아지는 점에서 국내의 근연분류군들과 구분된다. 미국잔디갈고리는 강변과 도로변에서 자라고 있어, 하천정비나 도로 공사를 통해 유입된 것으로 추측된다. Internal transcribed spacer 계통수상에서 한국산 미국잔디갈고리는 일본산 개체와 단계통을 형성하였다. 본 연구는 미국잔디갈고리의 형태적 특징에 대한 기재와 사진, 도해, 분포 위치에 대해 보고하였다.

Keywords

Acknowledgement

This work was supported by a grant from the National Institute of Biological Resources (NIBR), funded by the Ministry of Environment (MOE) of the Republic of Korea (NIBR202002106, NIBR202102103).

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