| 孔药花属(鸭跖草科)的核型研究 |
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| 引用本文： | 杨亲二,王印政,张大明,洪德元.孔药花属(鸭跖草科)的核型研究[J].中国科学院研究生院学报,1994,31(3):232-234. |
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| 作者姓名： | 杨亲二 王印政 张大明 洪德元 |
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| 摘 要： | 本文首次对鸭跖草科孔药花属Porandra Hong进行染色体研究。孔药花P．ramosa Hong和攀缘孔药花P．scandens Hong在染色体的大小、数目和形态上都十分相似，核型公式为2n＝36＝4m+26sm+6st(2sat)，核型类型属于3B。染色体证据支持孔药花属与穿鞘花属Amischotolype和Coleotrype属相近的观点。
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| 关 键 词： | 孔药花属 核型 |
A Karyotype Study of Porandra Hong (Commelinaceae) |
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| Yang Qing-er,Wang Ying-zheng,Zhang Da-ming,Hong De-yuan.A Karyotype Study of Porandra Hong (Commelinaceae)[J].Journal of the Graduate School of the Chinese Academy of Sciences,1994,31(3):232-234. |
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| Authors: | Yang Qing-er Wang Ying-zheng Zhang Da-ming Hong De-yuan |
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| Abstract: | In this paper, the chromosome number and karyotype of the small genus, Porandra Hong (Commelinaceae), are reported for the first time. The two species, P. ramose Hong and P. scandens Hong, were found to have the same chromosome number 2n=36 and quite similar karyotypes, which could be formulated as 2n = 36 = 4m=26sm + 6st (2sat).Having the same original basic chromosome number x = 9 and very similar chromosome morphology, Porandra might be closely related to Amischotolype and Coleotrype, as indicatedalso by their similar gross-morphological characters. |
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| Keywords: | Porandra Hong Karyotype |
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