Korean Journal of Plant Taxonomy (식물분류학회지)

The Korean Society of Plant Taxonomists (한국식물분류학회)
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A taxonomic review of Korean Leontopodium R. Br. ex Cassini (Asteraceae)

한국산 솜다리속의 분류학적 재검토

  • Received : 2016.04.22
  • Accepted : 2016.05.10
  • Published : 2016.06.30
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Abstract

Five species of the genus Leontopodium are recognized in Korea, but their taxonomic positions have been controversial. To clarify the taxonomic entity of these Korean species, we examined their morphological characters based on herbarium specimens and field observations. Valuable distinguishing characters for identification included the plant height, the basal shape of cauline leaves, the type and position of inflorescence, the types of hairs, the presence of leaves at the anthesis, and hairs on the phyllaries. Based on our observations, we were able to determine the taxonomic relationships between L. japonicum and its relatives, L. coreanum and L. hallaisanense. We also included the morphological characters of L. seorakensis in continuous variations of L. leiolepis, which we treated as synonyms. Consequently, we classified these Korean Leontopodium species into four taxa - L. coreanum var. coreanum, L. coreanum var. hallaisanense, L. leiolepis, and L. leontopodioides - with appropriate descriptions and illustrations.

한국산 솜다리속 (Leontopodium R. Br. ex Cassini)은 5종으로 기재되어 왔으나, 이들의 분류학적 위치에 대해서는 이견이 존재하였다. 이들의 분류학적 한계를 명확히 하고자 건조표본과 야외관찰등을 근거로 외부형태학적 형질을 재검토하였다. 식물체의 높이, 경생엽 기부의 형태, 화서의 위치 및 형태, 털의 형태, 개화기 잎의 유무, 총포편 털의 형태 등은 한국산 솜다리속 분류군을 식별하는데 유용한 형질로 확인되었다. 이러한 외부형태 형질을 바탕으로 왜솜다리 (L. japonicum) 및 근연분류군들 (L. coreanum, L. hallaisanense)의 분류학적 관계를 논의하였다. 또한 설악솜다리 (L. seorakensis)는 산솜다리 (L. leiolepis)의 형태적인 변이폭에 포함되므로, 이명으로 처리하였다. 본 연구에서 한국산 솜다리속은 솜다리, 한라솜다리, 산솜다리, 들떡쑥(L. leontopodioides) 4분류군으로 정리하였으며, 한국산 분류군의 검색표 및 각 종의 형질 기재와 도해를 제시하였다.

Keywords

References

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