식물분류학회지 (Korean Journal of Plant Taxonomy)

  • 제51권1호
  • /
  • Pages.1-9
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  • 2021
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  • 1225-8318(pISSN)
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  • 2466-1546(eISSN)
한국식물분류학회 (The Korean Society of Plant Taxonomists)
권호 표지
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Symplocarpus koreanus (Araceae; Orontioideae), a new species based on morphological and molecular data

  • LEE, Joon Seon (Department of Botany, University of British Columbia) ;
  • KIM, Seon-Hee (Department of Biological Sciences, Sungkyunkwan University) ;
  • KIM, Yongsung (Department of Biological Sciences, Sungkyunkwan University) ;
  • KWON, Youl (Florida Museum of Natural History and Department of Biology, University of Florida) ;
  • YANG, JiYoung (Research Institute for Dok-do and Ulleung-do, Kyungpook National University) ;
  • CHO, Myong-Suk (Department of Biological Sciences, Sungkyunkwan University) ;
  • KIM, Hye-Been (Department of Biological Sciences, Sungkyunkwan University) ;
  • LEE, Sangryong (Botanical Gardens, Tohoku University) ;
  • MAKI, Masayuki (Botanical Gardens, Tohoku University) ;
  • KIM, Seung-Chul (Department of Biological Sciences, Sungkyunkwan University)
  • 투고 : 2020.11.04
  • 심사 : 2021.03.16
  • 발행 : 2021.03.31
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초록

Symplocarpus koreanus (Araceae; Orontioideae) from Korea is described as new. Symplocarpus koreanus has long been considered to be conspecific with S. renifolius in Japan, but phylogenetic, morphological, and cytological data indicate its taxonomic distinction. Compared to S. renifolius, S. koreanus has a much smaller spathe and more spherical spadix with fewer, smaller flowers. Previous phylogenetic studies also suggested that S. koreanus is more closely related to nonthermogenic S. nipponicus than to S. renifolius in Japan. Like its nonthermogenic sister species, S. nipponicus, in Korea and Japan, S. koreanus is diploid (2n = 2x = 30), while S. renifolius in Japan is tetraploid (2n = 4x = 60). A detailed species description, geographical distribution, major morphological differences between the species and a dichotomous key to the species in eastern Asia are provided.

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참고문헌

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