pyrethrum, n.
(pyrethrums)
(pyrethrums)
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
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Chrysanthemum coccineum Tanacetum coccineum painted daisy pyrethrum
white-flowered pyrethrum of Balkan area whose pinnate leaves are white and silky-hairy below; source of an insecticide; sometimes placed in genus Chrysanthemum
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Chrysanthemum cinerariifolium Dalmatia pyrethrum Dalmatian pyrethrum Tanacetum cinerariifolium pyrethrum
made of dried flower heads of pyrethrum plants
<noun.plant>
pyrethrum
semantic pointers
hypernym