作　　者： ; ;

机构地区： 新疆大学生命科学与技术学院生物科学系

出　　处： 《新疆大学学报（自然科学版）》 1992年第1期62-67,共6页

摘　　要： 本文对争议较多的蝇子草属和女娄菜属的21个种进行了数值分类,取用了41个性状,在距离系数和相关系数矩阵上进行聚类运算,均采用效果最好的类平均法,作者根据运算结果对这两个属的分合问题、属下分类等级及其亲缘关系等问题进行了讨论。 A numerical taxonomic study of silene and melandrium are presented.For the sake of analyzing the resemblances between the 21 species or OTU's selected at random from the Silene and melandrium, there are 13 OTU's in Silene and 8 OTU's in Melandrium.A summation of 35 characters was em- ploged in the numerical analyses.Raw data for each character were given equal weighting by condensa- tion in order to have adequate comparisons,and the characters were converted to 11 states.The charac- ters used in this study largely morphological,and some morphology of pollen.The estimation of the dis- tans coefficent and correlation coefficient between each pair or OTU's was estabished.The clustering technique used was unweighted pair-group method using arithmetic averages (UPGMA). According to the results,all OTU's are mainly divided into 2 sets:A and B(Fig.1＆Fig.2). The A is Silene,the B in Melandrium the combining level of this two groups is very low.The results are the same as the results of morphological classification.For this reason,Silene and Melandrium ought to exist on one's own.In this paper,the problem of taxonomical grade under genus discussed.

关 键 词： 蝇子草属 女娄菜属 石竹科 分类

领　　域： [生物学]