Tanacetum cinerariifolium
n 1: white-flowered pyrethrum of Balkan area whose pinnate
leaves are white and silky-hairy below; source of an
insecticide; sometimes placed in genus Chrysanthemum [syn:
{pyrethrum}, {Dalmatian pyrethrum}, {Dalmatia pyrethrum},
{Tanacetum cinerariifolium}, {Chrysanthemum
cinerariifolium}]