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painted daisy, pyrethrum, Tanacetum coccineum, Chrysanthemum coccineum | spring-flowering garden perennial of Asiatic origin having finely divided aromatic leaves and white to pink-purple flowers; source of an insecticide; 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 ❲Tanacetum coccineum, Chrysanthemum coccineum❳ | ||
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pyrethrum | made of dried flower heads of pyrethrum plants | ||
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pyrethrum, Dalmatian pyrethrum, Dalmatia pyrethrum, Tanacetum cinerariifolium, Chrysanthemum cinerariifolium | white-flowered pyrethrum of Balkan area whose pinnate leaves are white and silky-hairy below; source of an insecticide; white-flowered pyrethrum of Balkan area whose pinnate leaves are white and silky-hairy below; source of an insecticide; sometimes placed in genus Chrysanthemum ❲Tanacetum cinerariifolium, Chrysanthemum cinerariifolium❳ | ||
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Pyrethrum, genus Pyrethrum | used in former classifications for plants later placed in genus Chrysanthemum and now often included in genus Tanacetum ❲Pyrethrum❳ |