摘 要 ：首次报道了急尖长苞冷杉 Abies georgei Orr var．smithii（Viguie et Gaussen）Cheng et L．K．Fu，臭冷杉A．nephrolepis（Traurv）Maxim和杉松A.hotophylla Maxim．等3种东亚冷杉植物的核型。它们的核型公式分别是K（2n）=24=18m（2SC)＋6sm，18m(6SC)＋6sin 和14m（6SC)＋10sm，染色体相对长度组成为2n=4L＋8M2＋10M1＋2S，4L＋8M2＋8M1＋4S和2L＋12M2＋8M1＋2S。均为2A核型类型。臭冷杉的核型比急尖长苞冷杉和杉松的对称和原始。
Abstract:The present paper deals with the karyotype analysis of three species in the Abies (Pinaceae) from East Asia including A. georgei Orr var.smithii (Viguie et Gaussen) Cheng et L. K. Fu, A.nephrolepis(Trautv.) Maxim. and A.holophylla Maxim. The karyotype fmulas of the spe- cies are K(2n) = 24= 18m(2SC)+6sm, 18m(6SC)+6sm and 14m(6SC)+10sm respectively. Their chromosome complements are 2n = 24 = 4L+8M2+10Ml+2S, 4L+8M2+8Ml+4S and 2L+12M2+8Ml+2S according to the standard defined by Kuo et al (l972) based on relative length. They belong to 2A type of Stebbins‘ karyotypic asymmetry. The karyotypes of the species are reported for the first time. The karyotype of A. nephrolepis is more symmetry and more primi-tive than that of A.georgei var.smithii and A.holoPhylla.