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pp.407-418
In this study, the phylogenetic relationship of Korean Hydrangea was evaluated by using sequenced three chloroplast regions and ITS region, including the 7 taxa. The result of phylogenetic analysis indicated that Korean Hydrangea, 7 taxa formed the monophyletic group. This analysis also revealed that subsect. Macrophyllae of Korea was separated into two groups; H. serrata f. acuminate and H. macrophylla group. The H. serrata f. acuminta group was included with H. serrata f. buergeri and H. serrata f. fertilis. These three species form a monophyletic clade, with no significant differences between their nucleotide sequences. The H. serrata f. acuminta group showed a monophyletic group with H. serrata f. buergeri and H. serrata f. fertilis and there is significant differences between their nucleotide sequences. H. macrophylla group was an independent clade distinguished by H. serrate f. acuminate group. Subsect. Petalanthe, Heteromallae and Calyptranthae form a monophyletic group. H. petiolaris which is located in Subsect. Calyptranthae was separated into two subgroups; First subgroup: Jeju island (except for Mt. Halla) and Second subgroup: Ulleung island and Japan. Additional studies of two subgroups of H. petiolaris should be conducted a geographical study and add more samples.
