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Taxonomic study of the genus Diplazium (Woodsiaceae) in Korea  

Lee, Chang Shook (Department of Life Science, Ewha Womans' University)
Publication Information
Korean Journal of Plant Taxonomy / v.35, no.3, 2005 , pp. 175-186 More about this Journal
Abstract
Cladistic analysis was performed to reveal the interspecific relationship of nine taxa of Korean Diplazium (Woodsiaceae). A total of 29 taxa with 20 taxa of eastern asiatic species as ingroup and three taxa of Athyrium as outgroup, were analyzed with 17 morphological characters. Diplazium nipponicum, recently found from Jeju Island, was most closely related to D. chinense by having the acuminate apex of pinnule segment and fascicled fronds. Diplazium nipponicum was distinguished from D. chinense by having scales and pinnule segments of serrated margin, and non-overlapped pinnules. Diplazium nipponicum and D. chinense were closely related to D. mesosorum and D. hajizoense in sequence, by having long acute apex in pinnae. These species formed same clade with D. subtripinnatum, which is endemic to Japan and D. kawakamii, which is distributed in Japan and Taiwan.
Keywords
D. nipponicum; Korean Diplazium; morphology; Woodsiaceae;
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