A new record for the Korean flora: Sparganium fallax Graebn.(Sparganiaceae)

우리나라 미기록 식물: 남흑삼릉(흑삼릉과)

  • Kim, Chan-Soo (Warm-Temperate Forest Research Center, Korea Forest Research Institute) ;
  • Kim, Soo-Young (Wildlife Genetic Resources Center, National Institute of Biological Resources) ;
  • Moon, Myung-Ok (Department of Biology, Cheju National University)
  • 김찬수 (국립산림과학원 난대산림연구소) ;
  • 김수영 (국립생물자원관 야생생물유전자원센터) ;
  • 문명옥 (제주대학교 생물학과)
  • Received : 2010.07.27
  • Accepted : 2010.09.08
  • Published : 2010.09.30

Abstract

Sparganium fallax Graebn. (Sparganiaceae), a species previously unrecorded for the Korean flora, was collected in a broad-leaved, evergreen swamp in the lowlands of eastern Jeju Island. This species was known to be distributed south of Jeju Island including Japan, South China, Taiwan, India, Indonesia (Sumatra), Myanmar, and New Guinea. S. fallax differ from others of Sparganiaceae in Korea by having keeled leaves, 4-7 staminate heads, relatively wide separation between each pistillate head and usually sessile or lowest pedunculated pistillate heads. The somatic chromosome number was 2n = 2x = 30 and the size of chromosomes was very small (0.69 to $2.19{\mu}m$).

제주도 동부지역의 저지대 상록활엽수림 내 습지에서 우리나라 미기록 종인 흑삼릉과(Sparganiaceae)의 남흑삼릉(Sparganium fallax Graebn.)이 채집되었다. 이 종은 지금까지는 일본, 중국, 대만, 인도, 인도네시아(수마트라), 미얀마, 뉴기니 등 우리나라보다 남쪽에만 분포하는 것으로 알려져 왔다. 남흑삼릉은 잎 뒷면에 능이 있고, 4-7개의 웅성 두상화서, 상대적으로 넓게 떨어져 있으면서 대개 자루가 없으나 최하위는 자루가 있는 자성 두상화서를 갖는다는 점에서 나머지의 흑삼릉과 식물들과 구분이 된다. 염색체 수는 2n = 2x = 30으로 2배체이며 염색체 크기는 $0.69-2.19{\mu}m$로 매우 작았다.

Keywords

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