【Abstract】 In this paper,the karyotype of Malania oleifera Chun et Lee has been reported for the first time. The result shows that the number of the somatic chromosome of the species is 26, and its basic chromosome number is x=13. The karyotype formula is 2n=2x=24m(2SAT)+2sm, and belongs to 1A type of Stebbins karyotypic symmetry.更多还原