chrysanthemum
chry.san.the.mum \kris-'an(t)-th*-m*m\ n [L, fr. Gk chrysanthemon, fr. chrys- + anthemon flower, fr. (Xanthos 1: any of various composite plants (genus Chrysanthemum) including we eds, ornamentals grown for their brightly colored often double flower heads, and others important as sources of medicinals and insecticides 2: a flower head of an ornamental chrysanthemum