---

作 者 ：杨志荣;林　祁*

期 刊 ：植物研究 2007年 28卷 6期 页码：661-663

关键词：五味子科；铁箍散；

Keywords:Schisandracae, Schisandra propinuqua, Karyotype,

摘 要 ：采用常规制片方法首次对铁箍散(Schisandra propinqua（Wall.）Baill.)做了核型分析，结果表明铁箍散体细胞染色体数目为2n=28,核型公式为2n=2x=20m+8sm，染色体相对长度组成2n=28=2L+14M₂+8M₁+4S，染色体长度比为2.14，核型类型为2B型，核型不对称系数0.59，无次缢痕和随体。铁箍散的核型特点表明其在五味子属中处于较进化的地位。

Abstract:Using the common slice-making method, the karyotype of Schisandra propinqua（Wall.）Baill. was analyzed for the first time. The results showed that S. propinqua is 2n=2x=20m+8sm, the constitution of relative length is 2n=28=2L+14M₂+8 M₁+4S and ratio of the longest chromosome to the shortest is 2.14. In addition, its karyotype belongs to 2B type, asymmetry index is 0.59. Secondary constriction and satellite are not found. The feature of karyotype suggested that S. propinqua should be relatively advanced in Schisandra Michx..

---