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Korean J. Pl. Taxon > Volume 30(4); 2000 > Article
Korean Journal of Plant Taxonomy 2000;30(4): 287-301.
doi: https://doi.org/10.11110/kjpt.2000.30.4.287
핵산 리보좀 DNA ITS 염기서열의 계통학적 연구 결과를 이용한 산형과 사상자족 식물 군들의 형질 진화
이병윤
Character evolution in Apiaceae tribe Scandiceae inferred from ITS molecular phylogenies
Byoung Yoon Lee
Abstract
Evolutionary trends of several selected characters in Apiaceae tribe Scandiceae were investigated from the phylogeny which was constructed on the basis of nuclear rDNA ITS sequences. The distribution of cytological, palynological, phytochemical, and fruit morphological characters shows that many of these characters are highly homoplastic, occurring independently multiple times throughout the trees. Therefore, those characters are not useful for the delimitation of genera or subtribes within Scandiceae. In contrast to the variable fruit secondary appendages, the fruit primary appendages show little variation in their shapes. These primary appendage characters are considered to support many of the major clades recognized in the ITS sequence-based phylogeny.
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