Korean Journal of Plant Taxonomy (식물분류학회지)

The Korean Society of Plant Taxonomists (한국식물분류학회)
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A taxonomic study of Viola section Chamaemelanium in Korea-based on morphological characters

한국산 제비꽃속 노랑제비꽃절의 분류학적 연구 -형태학적 형질을 중심으로

  • Whang, Sung Soo (Division of Science Education, Chonbuk National University)
  • 황성수 (전북대학교 사범대학 과학교육학부)
  • Received : 2001.10.10
  • Accepted : 2002.11.02
  • Published : 2002.12.30
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Abstract

A taxonomic study of Viola section Chamaemelanium in Korea, based on morphological characters, was conducted with light microscopy and scanning electron microscopy. Two species, V. orientalis W. Becker and V. brevistipulata (Fr. et Sav.) W. Becker, are recognized by rhizome and cauline habits, trichomes on the ovary and the shape and beards of stigmas. The latter can be split further into three varieties, var. brevistipulata, var. minor Nakai and var. laciniata (Boiss.) W. Becker, according to the leaf morphology in particular. Viola brevistipulata var. laciniata has the most tooth number, and its teeth are irregular erose but the other two varieties are regular sinuate or serrate. As for the size of leaves, V. brevistipular var. brevistipulata is the largest but V. brevistipulata var. minor is the smallest among the varities. Of them, V. brevistipulata var. laciniata is newly recorded in Korea. It was also revealed that both development and arrangement of the beards developed on the ovary and stigma were particularly diagnostic in the identification of the Viola section Chamaemelanium species.

한국산 제비꽃속 노랑제비꽃절 (Viola section Chamaemelanium) 식물에 대해 광학현미경 및 전자현미경을 사용하여 형태 분류학적 연구를 수행하였다. 지하경과 지상경의 특징, 자방 돌기 그리고 주두의 모양과 돌기 등의 특징에 의해 V. orientalis와 V. brevistipulata가 구별되었다. 나아가 후자는 잎의 특징에 따라 3 변종 즉 var. brevistipulata, var. minor 그리고 var. laciniata 등으로 세분되었다. Viola brevistipulata var. laciniata는 거치 수가 가장 많고, 불규칙한 치상의 복거치를 갖는다. 그러나 다른 두 변종은 규칙적인 파상 또는 치상의 거치를 갖는다. 세 변종간 잎의 크기는 V. brevistipulata var. brevistipulata가 가장 크고 V. brevistipulata var. minor가 가장 작다. 이들 중 V. brevistipulata var. laciniata는 한국 미기록 종이다. 또한 자방과 주두에 발달된 돌기물의 모양 및 배열양상은 본 절내 종을 동정할 때 중요한 표징형질로 확인되었다.

Keywords

Acknowledgement

Supported by : Korean Research Foundation

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