Korean Journal of Plant Taxonomy (식물분류학회지)

The Korean Society of Plant Taxonomists (한국식물분류학회)
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A new species of Fimbristylis (Cyperaceae): F. jindoensis J. Kim & M. Kim

하늘지기속(사초과)의 신종: 진도하늘지기 (Fimbristylis jindoensis J. Kim & M. Kim)

  • Kim, Jonghwan (Department of Biological Sciences, Chonbuk National University) ;
  • Kim, Muyeol (Department of Biological Sciences, Chonbuk National University)
  • 김종환 (전북대학교 자연과학대학 생명과학과) ;
  • 김무열 (전북대학교 자연과학대학 생명과학과)
  • Received : 2015.11.05
  • Accepted : 2015.12.09
  • Published : 2015.12.31
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Abstract

A new species, Fimbristylis jindoensis J. Kim & M. Kim, is herein named and described. It is found on wet lowland mountain slopes in Jindo-gun, Jeollanam-do, Korea. Fimbristylis jindoensis shares several characteristics (long-creeping rhizomes, oblong spikelets, brown scales, and three-sided achenes) with the related species F. pierotii Miq. It is, however, distinct from F. pierotii, which has terete culms with five to six furrows that are 9-48 cm tall, flowers in June to July, a dry grassland habitat, fewer than ten spikelets, and simple anthela inflorescences. In contrast, the new species has shallow furrowed oval culms which are 57-93 cm tall, flowers in July to August, a wet mountain habitat, more than twenty spikelets, and compound anthela inflorescences.

사초과의 하늘지기속 신종인 진도하늘지기(Fimbristylis jindoensis J. Kim & M. Kim)를 전라남도 진도군의 저지대 산지 습지에서 발견하여 기재하였다. 진도하늘지기는 길게 뻗는 지하경이 발달하여 들하지기(F. pierotii Miq.)와 유사하다. 그러나 들하늘지기는 줄기 단면이 5-6개의 홈이 있는 원형이고, 화경이 짧으며(9-48 cm) 화기가 6-7월이고, 건조한 초지에 자라며, 소수가 10개 미만 달리는 단순한 화서인 반면에 진도하늘지기는 줄기 단면이 얕은 홈이 있는 타원형이고, 화경이 길며(57-93 cm) 화기가 7-8월이고 축축한 저지대 산지습지에 자라며, 20개 이상의 소수가 여러 번 갈라지는 복잡한 화서인 점에서 뚜렷이 구별된다.

Keywords

References

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