Korean Journal of Plant Taxonomy (식물분류학회지)

The Korean Society of Plant Taxonomists (한국식물분류학회)
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Chromosome numbers on the Korean species of Senecio L. and two related genera (Asteraceae)

한국산 금방망이속(Senecio L.)과 근연분류군(국화과)의 체세포 염색체수

  • Chang, Chin (Division of Forest Biodiversity and Herbarium, Korea National Arboretum) ;
  • Chung, Gyu Young (School of Bioresource Science, Andong National University)
  • 장진 (국립수목원 산림생물조사과) ;
  • 정규영 (안동대학교 생명자원과학부)
  • Received : 2011.05.25
  • Accepted : 2011.06.09
  • Published : 2011.06.30
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Abstract

The somatic chromosome numbers of the Korean species of Senecio L. and two related genera are investigated here. Three different chromosome numbers were found: 2n = 40 in Senecio argunensis Turcz., S. nemorensis L., S. vulgaris L., Tephroseris flammea (DC.) Holub and 2n = 44 in T. phaeantha (Nakai) C. Jeffrey & Y.L. Chen. and 2n = 48 in Sinosenecio koreanus (Kom.) B. Nord., T. kirilowii (Turcz. ex DC.) Holub and T. pierotii (Miq.) Holub. The chromosome numbers of Sinosenecio koreanus (Kom.) B. Nord., Tephroseris flammea (DC.) Holub and T. phaeantha (Nakai) C. Jeffrey & Y.L. Chen. were different from those in previous reports.

한국산 금방망이속(Senecio L.) 및 근연속인 국화방망이속(Sinosenecio B. Nord.), 솜방망이속 (Tephroseris (Rchb.) Rchb.)에 속하는 8분류군을 대상으로 체세포 염색체수를 조사하였다. 체세포 염색체수는 2n = 40, 2n = 44인 종류와 2n = 48인 종류로 구분되었으며, 2n = 40인 분류군은 쑥방망이(Senecio argunensis Turcz.), 금방망이(S. nemorensis L.), 개쑥갓(S. vulgaris L.), 산솜방망이(Tephroseris flammea (DC.) Holub)이었다. 2n = 44인 분류군은 바위솜나물(T. phaeantha (Nakai) C. Jeffrey & Y.L. Chen)이었으며, 2n = 48인 분류군은 국화방망이(Sinosenecio koreanus (Kom.) B. Nord.), 솜방망이(T. kirilowii (Turcz. ex DC.) Holub), 물솜방망이(T. pierotii (Miq.) Holub.)로서, 이중 국화방망이와 산솜방망이, 바위솜나물은 기존의 연구 결과와 차이를 보였다.

Keywords

References

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