植物分类学报

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唇形科独一味属和五种糙苏属植物的核形态研究

1 2房丽琴; 1潘跃芝; 1龚洵*   

  1. 1(中国科学院昆明植物研究所生物多样性和生物地理实验室 昆明 650204)
    2(中国科学院研究生院 北京 100049)
  • 收稿日期:2005-12-20 修回日期:2006-05-11 出版日期:2007-09-18 发布日期:2007-09-18
  • 通讯作者: 龚洵 h E-mail:gongxun@mail.kib.ac.cnlu

A karyomorphological study in the monotypic genus Lamiophlomis and five species in Phlomis (Lamiaceae)

1 2 FANG Li-Qin, 1 PAN Yue-Zhi, 1GONG Xun*   

  1. 1(Laboratory of Biodiversity and Biogeography, Kunming Institute of Botany, the Chinese Academy of Sciences, Kunming 650204, China)
    2(Graduate University of Chinese Academy of Sciences, Beijing 100049, China)
  • Received:2005-12-20 Revised:2006-05-11 Online:2007-09-18 Published:2007-09-18
  • Contact: GONG Xun E-mail:gongxun@mail.kib.ac.cnlu

Abstract: The monotypic genus Lamiophlomis (including only L. rotata) and five species of Phlomis in the Lamiaceae were karyomorphologically studied. The interphase nuclei are all categorized to be round prochromosome type, and the mitotic-prophase chromosomes are all categorized to be interstitial type. The karyotype formulae are as follows: L. rotata, 2n=2x= 22=18m+4sm; P. umbrosa, 2n=2x=22=22m; P. ruptilis, 2n=2x=22=22m; P. betonicoides, 2n=2x=22=22m; P. melanantha, 2n=2x=22=22m(2sat); P. strigosa, 2n=6x=66= 60m+ 6sm. The basic chromosome number of Lamiophlomis is confirmed to be x=11, the same as that of Phlomis sect. Phlomoides, which shows that Lamiophlomis rotata should be better treated as a species of Phlomis.

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