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|本期目录/Table of Contents|

中国特有属植物长蕊斑种草(紫草科)的核型

《广西植物》[ISSN:1000-3142/CN:45-1134/Q]

期数:
2011年04期
页码:
441
栏目:
系统与演化植物学
出版日期:
2011-07-25

文章信息/Info

Title:
Karyotype of Antiotrema dunnianum (Boraginaceae), a species endemic to China
作者:
董晓明 丁开宇* 王焕冲 和兆荣
云南大学 生命科学学院, 昆明 650091
Author(s):
DONG XiaoMing DING KaiYu* WANG HuanChong HE ZhaoRong
College of Life Sciences, Yunnan University, Kunming 650091, China
关键词:
长蕊斑种草 紫草科 同源染色体异型 核型 分类
Keywords:
Antiotrema dunnianum Boraginaceae allotype of homologous chromosome karyotype classificaion
分类号:
Q942
DOI:
-
文献标识码:
A
摘要:
长蕊斑种草为我国西南特有单型属植物。对其种子根尖细胞染色体进行了观察。其染色体数目为24,核型为2n=24=16m+6sm+2T。其中第一对同源染色体异型。通过紫草科已有的细胞学资料认为该属放在琉璃草族比紫草族更合理。
Abstract:
Antiotrema dunnianum,a species of the family Boraginaceae and endemic to China,was karyomorphologically studied for the first time. Its chromosome number is 24 and its karyotype is formulated as 2n=24=16m+6sm+2T. It is worthy to notice that the two chromosomes of its first pair of homologue are different in length and arm ratio. By comparing with the cytological data published of Boraginaceae,it is supported that this species is included in Cynoglosseae but not Lithospermeae.

参考文献/References

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备注/Memo

备注/Memo:
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更新日期/Last Update: 2011-07-25