Definitions for: Pyrethrum


[n] used in former classifications for plants later placed in genus Chrysanthemum and now often included in genus Tanacetum
[n] 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
[n] white-flowered pyrethrum of Balkan area whose pinnate leaves are white and silky-hairy below; source of an insecticide; sometimes placed in genus Chrysanthemum
[n] made of dried flower heads of pyrethrum plants



Synonyms: Chrysanthemum cinerariifolium, Chrysanthemum coccineum, Dalmatia pyrethrum, Dalmatian pyrethrum, genus Pyrethrum, painted daisy, Tanacetum cinerariifolium, Tanacetum coccineum

See Also: aster family, Asteraceae, asterid dicot genus, Compositae, family Asteraceae, family Compositae, flower, genus Tanacetum, herb, herbaceous plant, insect powder, insecticide, Tanacetum

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