Cinnamomum insulari-montanum Hayata, C. macrostemon Hayata and C. osmophloeum Kaneh. Are endemic species of the Lauraceae in Taiwan. Taxonomy of these closely related species remains unclear. In this study, ISSR fingerprinting using 12 microsatellite primers was employed to investigate the taxonomic status of the tree species and intraspecific diversity and differentiation. Analysis of molecular variance (AMOVA) revealed 27.24% variance residing among species (P<0.001), while 72.67% variance distributed within species (P<0.001). Significant structuring exists in C. Insulari-montanum and C. macrostemon; while gene flow, as indicated by Nm=1.26, was detected in C. osmophloeum. Both clustering and principal coordinates analyses Identified three major clusters that correspond to each species and revealed a close Phonetic relations between C. Insulari-montanum and C. macrostemon.
Cinnamomum insulari-montanum Hayata, C. macrostemon Hayata and C. osmophloeum Kaneh. Are endemic species of the Lauraceae in Taiwan. Taxonomy of these closely related species remains unclear. In this study, ISSR fingerprinting using 12 microsatellite primers was employed to investigate the taxonomic status of the tree species and intraspecific diversity and differentiation. Analysis of molecular variance (AMOVA) revealed 27.24% variance residing among species (P<0.001), while 72.67% variance distributed within species (P<0.001). Significant structuring exists in C. Insulari-montanum and C. macrostemon; while gene flow, as indicated by Nm=1.26, was detected in C. osmophloeum. Both clustering and principal coordinates analyses Identified three major clusters that correspond to each species and revealed a close Phonetic relations between C. Insulari-montanum and C. macrostemon.
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