Pyrethrum coccineum

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• Pyrethrum coccineum — Pyrèthre rose Pyrèthre rose …   Wikipédia en Français

• 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

• Pyrethrum — ist ein Insektizid, das aus den Blüten von verschiedenen Tanacetum Arten gewonnen wird. Die Hauptwirkstoffe sind Pyrethrine, außerdem Cinerine und Jasmoline. Inhaltsverzeichnis 1 Herstellung 2 Anbau 3 Wirtschaftliche Bedeutung …   Deutsch Wikipedia

• pyrethrum — [pī reth′rəm, pīrē′thrəm] n. [ModL < L < Gr pyrethron, feverfew < pyr, FIRE] 1. a perennial plant (Chrysanthemum coccineum) of the composite family, widely grown for the white, pink, red, or purple flower heads 2. an insecticide made… …   English World dictionary

• pyrethrum — /puy ree threuhm, reth reuhm/, n. 1. any of several chrysanthemums, as Chrysanthemum coccineum, having finely divided leaves and showy red, pink, lilac, or white flowers, cultivated as an ornamental. 2. any of several chrysanthemums, as C.… …   Universalium

• pyrethrum — /paɪˈriθrəm / (say puy reethruhm) noun 1. a name given by horticulturalists to certain species of the genus Chrysanthemum, especially C. coccineum and its many cultivated varieties. 2. an insecticide prepared from the dried heads of C. coccineum …  

• pyrethrum — py•re•thrum [[t]paɪˈri θrəm, ˈrɛθ rəm[/t]] n. pl. thrums, thrum 1) pln any of several chrysanthemums, as Chrysanthemum coccineum, having finely divided leaves and showy red, pink, lilac, or white flowers 2) pha the dried flower heads of some of… …   From formal English to slang

• Pyrethrum — n. 1 any of several aromatic chrysanthemums of the genus Tanacetum, esp. T. coccineum. 2 an insecticide made from the dried flowers of these plants, esp. Tanacetum cinerariifolium. Etymology: L f. Gk purethron feverfew …   Useful english dictionary

• pyrethrum — n. 1 any of several aromatic chrysanthemums of the genus Tanacetum, esp. T. coccineum. 2 an insecticide made from the dried flowers of these plants, esp. Tanacetum cinerariifolium. Etymology: L f. Gk purethron feverfew …   Useful english dictionary

• Chrysanthemum coccineum — Pyrèthre rose Pyrèthre rose …   Wikipédia en Français

• Tanacetum coccineum — Pyrèthre rose Pyrèthre rose …   Wikipédia en Français