Abstract: The Chromosome numbers and karyotypes of ten taxon to Artemisia Sect. Dracunculus Bess. in Northeast China are reported. The karyotype formulae are as follows: Artemisia dracunculus L. (2n)=4x=36=28m+8sm; A. scoparia Waldst. et Kit. (2n)=2x=16=12m+4sm; A. halodendron Turcz. ex Bess.(2n)=4x=36=30m+4sm+2st; A. oxycephala Kitag. var. oxycephala (2n)=4x=36=28m+6sm+2st; A. oxycephala Kitag. var. xingkaiensis G. Y. Zhang (2n)=4x=36=28m+6sm+2st; A. oxycephala Kitag. var. shanhaiensis G.Y.Zhang(2n)=4x=36=2M+28m+4sm+2st; A. oxycephala Kitag. var. taiyangensis G.Y.Zhang (2n)=4x=36=28m+6sm+2st; A.pubescens Ledeb. var. pubescens (2n)=4x=36=28m+6sm+2st; A. pubescens Ledeb. var. gebleriana (Bess.) Y. R. Lin (2n)=4x=36=28m+6sm+2st; A. pubescens Ledeb. var. taheensis G.Y. Zhang (2n)=4x=36=28m+6sm+2st.

Key words: Arstemisia, Sect. Dracunculus Bess, Chromosome number, Karyotype