KARYOTYPE STUDIES OF NARCISSUS TAZETTA VAR CHINENSIS Molecular Cytogenetic Analysis of Special Germplasm of Narcissus tazetta var. chinensis Molecular Cytogenetic Analysis of Special Germplasm of Narcissus tazetta var. chinensis Effects of extract from Narcissus tazettavar. chinensis on proliferation and apoptosis of human multiple myeloma cell line ARH-77