STUDIES ON THE CHROMOSOME NUMBERS AND KARYOTYPE OF SIX SPECIES OF ARTEMISIA (COMPOSITAE)
蒿属植物的染色体数目和核型研究（一）

The paper deals with the chromosome numbers and karyotype analyses of six species of Artemisia from southwestern China.Their karyotype formulae are as follows:A.japoniaThunb.,2n=18=12m+6sm(2SAT); A. parviflora Buch.-Ham.ex Roxb.,2n=36=30m+4sm+2st(6SAT);A.dubia Wall.ex Bess.,2n=36=28m+8sm(2SAT),A.myriantha Wall.ex Bess.,2n=36=30m+ 6sm,A.lavandulaefolia DC.,2n=54=42m+12sm;A.velutina Pamp.,2n=54=36m+18sm.