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Korean J. Pl. Taxon > Volume 42(1); 2012 > Article
Korean Journal of Plant Taxonomy 2012;42(1): 1-12.
doi: https://doi.org/10.11110/kjpt.2012.42.1.001
분계분석을 이용한 한국산 갈퀴덩굴속(Galium L.) 식물의 외부형태학적 연구
정금선 , 박재홍
The morphological study of Galium L. (Rubiaceae) in Korea
Keum Seon Jeong, Jae Hong Pak
Abstract
To clarify the morphological variations of Galium, its morphological characteristics were examined using maximum parsimony analysis. The key characteristics as well as the range of variation in each characteristic were investigated at the species level and were employed to elucidate the relationships between the taxa. This study confirmed that species belonging to genus Galium formed a monophyletic group and comprised two main clades. Sect. Cymogaliae and sect. Leptogalium are polyphyly groups, and other sections are monophyletic group. This study also suggests that the fruit hairs, the types of petal apexes, and the colors of the petals are the most valuable taxonomic characteristics for differentiating different sections. The numbers of the leaves and leaf shape provide useful taxonomic characteristics for the identification of different species.
KeyWords: Galium, Morphological characters, Cladistic analysis
주요어: 갈퀴덩굴속, 형태형질, 분계분석
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