Karyomorphology of Corylopsis glabrescens and C. gotoana endemic to Japan (Hamamelidaceae; Hamamelidoideae)
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概要
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Chromosome numbers and karyotypes of <I>Corylopsis glabrescens</I> and <I>C. gotoana</I> in the Hamamelidaceae were investigated. <I>Corylopsis glabrescens</I> was diploid with 2n=24=14m+8sm+2st, while <I>C. gotoana</I> was tetraploid with 2n=48=36m+8sm+4st. The karyotype of the diploid <I>C. glabrescens</I> was different from that of the diploid <I>C. pauciflora</I> previously reported in Japan, suggesting a heterogeneous origin of the two species. The karyotype of the tetraploid <I>C. gotoana</I> seemed to share a homogeneous karyotype composition with the hexaploid <I>C. spicata</I> previously reported in Japan.
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国際染色体植物学会 | 論文
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