对安徽省马鞍山的石蒜居群进行了核型分析,发现了石蒜的一种新的染色体数目及核型.按Levan等(1964)标准,核型公式为2n=24=6m+8sm+6st+4t,为3A核型(Stebbin,1971).与目前国内外学者的观察结果差异很大.马鞍山居群的新染色体数目及核型均为首次报道.%Ma'anshan population of Lycoris radiata from Anhui was studied cytologically. A new chromosome number and karyotype were found for the first time. The karyotype of L.radiata was formulated as 2n=24=6m+8sm+6st+4t,belonging to Stebbin's (1971) 3A type. This new karyotype and chromosome number of L.radiata were reported firstly in the world.
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