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Karyomorphology of Heptacodium (Caprifoliaceae s.str.) and its phylogenetic implications
Zhang, ZY ; Zhou, ZK ; Gu, ZJ
2002
发表期刊TAXON
ISSN0040-0262
卷号51期号:3页码:499-505
摘要A karyomorphological study of the species Heptacodium miconioides and five species in Caprifoliaceae of presumably related genera [Abelia and Depelta (Linnaeeae); Lycesteria and Lonicera (Caprifolieae); Weigela (Diervilleae)] reveals similarities in some karyological features such as structure of interphase nuclei, chromosome size, and condensation behaviour of chromosomes during mitotic prophase. However, differences between them in chromosome base number and morphology of metaphase chromosomes have also been revealed. The chromosome number of Heptacodium 2n = 28 is unique in Caprifoliaceae, presumably having resulted from polyploidization following hybridization between two ancestral species (possibly with chromosome base number x = 8 or 9) bearing characters of tribes Caprifolieae and Linnaeeae, respectively. The phylogenetic position of Heptacodium is discussed based on combination of karyomorphology and previous morphological and molecular data.
关键词Caprifolieae Heptacodium Karyomorphology Linnaeeae
学科领域Plant Sciences ; Evolutionary Biology
收录类别sci
语种英语
文献类型期刊论文
条目标识符http://ir.kib.ac.cn/handle/151853/15570
专题离退休
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GB/T 7714
Zhang, ZY,Zhou, ZK,Gu, ZJ. Karyomorphology of Heptacodium (Caprifoliaceae s.str.) and its phylogenetic implications[J]. TAXON,2002,51(3):499-505.
APA Zhang, ZY,Zhou, ZK,&Gu, ZJ.(2002).Karyomorphology of Heptacodium (Caprifoliaceae s.str.) and its phylogenetic implications.TAXON,51(3),499-505.
MLA Zhang, ZY,et al."Karyomorphology of Heptacodium (Caprifoliaceae s.str.) and its phylogenetic implications".TAXON 51.3(2002):499-505.
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