Korean Journal of Plant Taxonomy (식물분류학회지)

The Korean Society of Plant Taxonomists (한국식물분류학회)
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A Systematic Study of Elsholtzia Willd. (Lamiaceae) in Korea

한국산 향유속(Elsholtzia Willd., 꿀풀과)의 분류학적 연구

  • Jeon, Yun-Chang (Department of Biology & Research Institute for Basic Sciences, Kyung-Hee University) ;
  • Hong, Suk-Pyo (Department of Biology & Research Institute for Basic Sciences, Kyung-Hee University)
  • 전윤창 (경희대학교 이과대학 생물학과.기초과학연구소) ;
  • 홍석표 (경희대학교 이과대학 생물학과.기초과학연구소)
  • Received : 2006.11.20
  • Accepted : 2006.12.05
  • Published : 2006.12.31
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Abstract

Examined were the vegetative and reproductive characters such as external morphology, anatomy (leaf petiole, blade and stem), pollen and nutlet for the taxonomic revision of Elsholtzia in Korea. The inflorescence of all studied taxa of Elsholtzia in Korea is secund and 0.5-10 cm long. Leaves are ovate or nearly and $0.2-10{\times}0.2-6.0cm$. The shapes of inflorescence and leaves are very useful taxonomic characters. The stomata types are anomocytic and diacytic. The morphology of nutlet is ovoid and pitted in surface pattern of exocarp. All studied taxa are myxocarpy. The pollen grains are of medium size and subprolate in shape, and have typical bi-reticulate exine surface. Four species are recognized for Korean Elsholtzia by the identification key and descriptions in this study.

한국산 향유속 분류군의 분류학적 개정을 위해 영양기관과 생식기관 형질 [외부형태학, 미세형태학, 해부학(엽신, 엽병, 줄기), 화분, 소견과]의 상세한 비교연구를 수행하였다. 한국산 향유속의 화서는 원통형으로 배열되는 분류군도 있으나 대개 꽃이 한쪽으로 치우쳐서 배열하고, 길이는 0.5-10 cm이다. 잎은 난형 혹은 선형으로 길이는 0.2-10 cm이고, 너비는 0.2-6 cm이다. 화서와 잎의 종마다 다른 크기와 모양 등은 종간 구별에 유용한 형질로 나타났다. 식물체의 잎과 포에는 불규칙형(anomocytic)과 교차형(diacytic)의 기공복합체가 관찰되었으며, 소견과의 형태는 난형으로 표면무늬는 다공형이고, 과피는 모두 점액성과피(myxocarpy)의 특징을 가졌다. 화분의 크기는 대부분 중립, 모양은 아장구형, 발아구는 6구형이고, 표면무늬는 전형적인 이중 망상형(bireticulate)이었다. 한국산 향유속 식물에 대한 분류학적 개정을 하였다. 4개의 종이 구별되었고, 각 분류군의 기재문과 검색표를 제시하였다.

Keywords

Acknowledgement

Supported by : 한국학술진흥재단

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