A comparative study in cytological characters of Japanese species of Leucosceptrum, Lamiaceae (Labiatae)
スポンサーリンク
概要
- 論文の詳細を見る
Karyomorphology of two species, one variety and one natural hybrid in Japanese Leucosceptrum was observed. They had commonly the simple chromocenter type of the resting chromosomes and the proximal type of the mitotic prophase chromosomes, and the somatic chromosome number of 2n=46 though L. japonicum had exceptionally intraspecific polyploids of 2n=46 and 69. The chromosome numbers of the taxa were reported here for the first time. These taxa had very similar karyotypes in chromosome size, centromeric position and decrease in chromosome length from the largest to the smallest chromosomes. Pollen stainabilities in plants of 2n=46 for L. japonicum was 96.8-98.6% and that for the 2n=46 L. stellipilum was 92.6-98.9%, that for 2n=69 L. japonicum was 10.7-33.1%, and that for natural hybrid of L. japonicum × L. stellipilum was 57.8-66.1%.
- 財団法人染色体学会の論文
著者
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Funamoto Tsuneo
Biological Institute, Showa Pharmaceutical University
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Funamoto Tsuneo
Biological Institute Showa Pharmaceutical University
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Ogawa Makoto
Tokushima Prefectural Mus.
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