Korean Journal of Plant Taxonomy (식물분류학회지)

The Korean Society of Plant Taxonomists (한국식물분류학회)
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Leaf anatomy of Pinus thunbergii Parl. (Pinaceae) collected from different regions of Korea

곰솔의 잎 해부 형태

  • Ghimire, Balkrishna (Department of Applied Plant Science and Oriental Bio-herb Research Institute, Kangwon National University) ;
  • Kim, Muyeol (Department of Biological Science, Chonbuk National University) ;
  • Lee, Jeong-Ho (Korea Forest Seed & Variety Center, Korea Forest Service) ;
  • Heo, Kweon (Department of Applied Plant Science and Oriental Bio-herb Research Institute, Kangwon National University)
  • ;
  • 김무열 (전북대학교 생명과학과) ;
  • 이정호 (국립산림품종관리센터) ;
  • 허권 (강원대학교 식물자원응용공학과)
  • Received : 2014.04.15
  • Accepted : 2014.05.30
  • Published : 2014.06.30
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Abstract

Leaf anatomical study of Pinus thunbergii collected from 12 different coastal regions of Korea was conducted to understand the adaptive variation on leaf traits. Basic anatomical features are typical pine needle type with fibrous epidermis, 2-3 layered hypodermis, sunken stomata, monomorphic mesophyll, and well-represented bundle sheath. The bundle sheath surrounds a couple of vascular bundle separated by parenchyma bands. On the basis of their position, the resin ducts are of three types; external, medial and internal of the bundle sheath. The total number of resin ducts in all samples varies from 4 to 12. The stomata were found on stomatal bands throughout the leaf surface. Important dissimilarities observed on P. thunburgii leaf are the number and position of resin ducts and the number of stomata rows in leaf surface.

곰솔의 지역간 잎 형태 변이를 이해하기 위하여 한반도의 해안지역 12군데에서 채집한 곰솔의 잎 해부형태를 비교 연구하였다. 곰솔 잎의 해부학적 특징은 섬유상 표피, 2-3층의 하피, 표피보다 내려앉은 기공구조, 한가지 형태로 구성된 엽육조직, 뚜렷한 유관속초 등을 가진 전형적인 바늘상 잎이다. 곰솔 잎에 있어서 수지도는 발생위치에 따라 유관속초의 외부, 중간, 내부 등 3가지 분포형태로 구분되었다. 조사된 모든 재료에서 수지도의 개수는 4개에서 12개까지 지역간 변이가 관찰되었다. 기공은 잎 전체를 통하여 기공선으로 발달하였다. 곰솔 잎 해부형태에서 관찰된 중요한 차이는 수지도의 발생위치와 전체개수 그리고 잎 표면에 나타나는 기공의 기공선 개수이었다.

Keywords

References

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