Useful english dictionary. 2012.
Pyrethrum — refers to several Old World plants of the genus Chrysanthemum (e.g., C. coccineum ) which are cultivated as ornamentals for their showy flower heads. It is also the name of a natural insecticide made from the dried flower heads of C.… … Wikipedia
Dalmatian pyrethrum — 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 • Syn: ↑pyrethrum, ↑Dalmatia pyrethrum, ↑Tanacetum cinerariifolium,… … Useful english dictionary
Chrysanthemum cinerariifolium — 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 • Syn: ↑pyrethrum, ↑Dalmatian pyrethrum, ↑Dalmatia pyrethrum, ↑Tanacetum… … Useful english dictionary
herbaceous plant — noun a plant lacking a permanent woody stem; many are flowering garden plants or potherbs; some having medicinal properties; some are pests • Syn: ↑herb • Derivationally related forms: ↑herbal (for: ↑herb) • Hypernyms: ↑ … Useful english dictionary
Tanacetum cinerariifolium — 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 • Syn: ↑pyrethrum, ↑Dalmatian pyrethrum, ↑Dalmatia pyrethrum, ↑Chrysanthemum… … Useful english dictionary
genus Tanacetum — noun a large genus of plants resembling chrysanthemums; comprises some plants often included in other genera especially genus Chrysanthemum • Syn: ↑Tanacetum • Hypernyms: ↑asterid dicot genus • Member Holonyms: ↑Compositae, ↑family Compositae, ↑ … Useful english dictionary
Tanacetum — noun a large genus of plants resembling chrysanthemums; comprises some plants often included in other genera especially genus Chrysanthemum • Syn: ↑genus Tanacetum • Hypernyms: ↑asterid dicot genus • Member Holonyms: ↑Compositae, ↑family… … Useful english dictionary
Lavoslav Ružička — Infobox Scientist name = Lavoslav Ružička image size = 180px birth date = September 13, 1887 birth place = Vukovar, Austria Hungary nationality = Croatia death date = death date and age|1976|9|26|1887|9|13 death place = Mammern, Switzerland field … Wikipedia
