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Korean J. Pl. Taxon > Volume 33(1); 2003 > Article
Korean Journal of Plant Taxonomy 2003;33(1): 1-15.
doi: https://doi.org/10.11110/kjpt.2003.33.1.001
한국산 돌나무속 가는기린초아속 식물의 형태적 유연관계
이계분, 유영기, 박기룡
Morphological Relationships of Korean species of Sedum L. subgenus Aizoon (Crassulaceae)
Kye Bun Lee, Young Gi Yoo, Ki Ryong Park
Abstract
Numerical analyses using 36 morphological characters from 17 populations representing seven Korean species of Sedum subg. Aizoon were conducted to propose the hypotheses about species boundaries and their relationships. Cluster analysis of morphological data shows that S. middendorfianum was significantly isolated from the remaining species. The seven populations of S. aizoon were well clustered with each other. However, the Korean endemic species including S. zokuriense, S. takesimense, and S. latiovalifolium formed a cluster with S. kamtschaticum populations. The UPGMA tree also suggests that S. kamtschaticum could be one of the parental taxa of S. latiovalifolium, which has been considered to be of hybrid origin. PCA of morphological characters clearly separates S. middendorfianum from the remaining species, and separtes S. aizoon and S. latiovalifolium. However, S. ellacombianum, S. zokuriense and S. takesimense were not separated from the populations of S. kamtschaticum.
KeyWords: morphological characters, numerical analysis, subgenus Aizoon
주요어: 가는기린초아속, 형태 형질, 수리분석
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