台灣產土肉桂、山肉桂、及胡氏肉桂（樟科）之遺傳變異與分類地位

Genetic Variation and Taxonomic Relationship of Cinnamomum osmophloeum, C. macrostemon and C. insulari-montanum (Lauraceae)in Taiwan

10.6248/BF.2006.41(2).06

何坤益(Kuen-Yih Ho)

土肉桂 ； 山肉桂 ； 胡氏肉桂 ； 簡單序列重複 ； 遺傳變異 ； 分類地位 ； 分子變方分析 ； C. insulari-montanum ； C. macrostemon ； C. osmophloeum ； ISSR ； genetic variation ； taxonomic relationship ； analysis of molecular variance AMOVA

Bio Formosa

41卷2期（2006 / 12 / 01）

93 - 102

繁體中文

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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