Karyological studies and trend of speciation in some members of verbenaceae.
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概要
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Altogether eight species belonging to the genera Clerodendrum L., Lippia Houst. ex Linn. and Holmskioldia Retz. of the family Verbenaceae were karyotypically studied with a view to assess their phylogenetic position and trend of speciation. The karyological studies in six species of the genus Clerodendrum of the family Vervenaceae showed 2n=46, 48, 50 and 52. The addition or deletion of a pair of chromosome appears to have played decisive role in speciation within the genus at tetraploid level.Diploid numbers of chromosomes are found to be 36 and 32 in H. sanguinea and L. nodiflora respectively. They possess symmetrical karyotypes and appear to be more primitive than Clerodendrum.
- 財団法人 日本メンデル協会の論文
財団法人 日本メンデル協会 | 論文
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