| 中国西部高山8种龙胆属植物的染色体数目 |
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| 引用本文： | 陈世龙,何廷农.中国西部高山8种龙胆属植物的染色体数目[J].西北植物学报,1997,17(4):547-550. |
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| 作者姓名： | 陈世龙 何廷农 |
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| 作者单位： | 中国科学院西北高原生物研究所 |
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| 摘 要： | 本文报道了我国西部高山上的８种龙胆属植物的染色体数目。其中宽筒龙胆的染色体数目为２ｎ＝４８，提钟龙胆的染色体数目为２ｎ＝２６，小齿龙胆和四数龙胆的染色体数目为２ｎ＝２４，南山龙胆的染色体数目为２ｎ＝１８，上述５种植物的染色体数目为首次报道，其余蓝玉簪龙胆的染色体数目为２ｎ＝２４，线叶龙胆的染色体数目为２ｎ＝４８，钻叶龙胆的染色体数目为２ｎ＝１８。
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| 关 键 词： | 龙胆科 龙胆属 染色体数目 |
THE CHROMOSOME NUMBER OF EIGHT SPECIES IN GENTIANA (GENTIANACEAE) FROM ALPINE MOUNTAINS OF THE WESTERN CHINA |
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| Chen Shilong,He Tingnong and Liu Jianquan.THE CHROMOSOME NUMBER OF EIGHT SPECIES IN GENTIANA (GENTIANACEAE) FROM ALPINE MOUNTAINS OF THE WESTERN CHINA[J].Acta Botanica Boreali-Occidentalia Sinica,1997,17(4):547-550. |
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| Authors: | Chen Shilong He Tingnong and Liu Jianquan |
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| Abstract: | In this paper,chromosome numbers are reported for eight species of Gentiana fromthe alpine mountains of the western China. Among them,Gentiana ampla H. Smith has achromosome number of 2n = 48,G. stipitata Edgew. subsp. tizuensis (Franch.) T. N. Hohas a chromosome number of 2n = 26, G. microdonta Franch. ex Hemsl. and G. LineolataFranch. have a chromosome number of 2n = 24, G. grumii Kusnez. has a chromosomenumber of 2n= 18,The chromosome number of these five species is reported here for thefirst time. G. veitchiorum Hemsl. has a chromosome number of 2n = 24, G. LawrenceiBurk. var. farreri (Balf. f. ) T. N. He has chromosome number of 2n = 48, G. HaynaldiiKanitz has a chromosome number of 2n= 18. |
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| Keywords: | Gentiana chromosome number |
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