Noun
white-flowered pyrethrum of Balkan area whose pinnate leaves are white and silky-hairy below; source of an insecticide; sometimes placed in genus Chrysanthemum
spring-flowering garden perennial of Asiatic origin having finely divided aromatic leaves and white to pink-purple flowers; source of an insecticide; sometimes placed in genus Chrysanthemum
used in former classifications for plants later placed in genus Chrysanthemum and now often included in genus Tanacetum
made of dried flower heads of pyrethrum plants
Source: WordNetFor example, pyrethrum (derived from Old World members of the genus Chrysanthemum) is a natural insecticide with minimal environmental impact. Source: Internet
Kenya's other significant exports are petroleum products, sold to near neighbours, fish, cement, pyrethrum, and sisal. Source: Internet
Living on the Western Highlands at an altitude of 1500 to 2000m, the Kipsigis now also grow maize, wheat, pyrethrum and tea. Source: Internet