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Cosa (chi) è pyrethrum - definizione
GENUS OF PLANTS AND NATURAL INSECTICIDE
Pyrethum; ATC code P03AC01; ATCvet code QP53AC01; Chrysanthemum cinerariaefolium
pyrethrum
[p??'ri:?r?m]
¦ noun
1. an aromatic plant of the daisy family, typically with feathery foliage and brightly coloured flowers. [Genus Tanacetum (formerly Pyrethrum): several species.]
2. an insecticide made from the dried flowers of these plants.
Origin
ME (denoting pellitory): from L., from Gk purethron 'feverfew'.
Pyrethrum
Pyrethrum was a genus of several Old World plants now classified as Chrysanthemum or Tanacetum which are cultivated as ornamentals for their showy flower heads. Pyrethrum continues to be used as a common name for plants formerly included in the genus Pyrethrum.
Tanacetum cinerariifolium
SPECIES OF PLANT
Chrysanthemum cinerariifolium; Dalmatian Pyrethrum; Dalmatian pyrethrum
Tanacetum cinerariifolium is a species of flowering plant in the aster family, Asteraceae, and formerly part of the genus Pyrethrum, but now placed in the genus Chrysanthemum, or the genus Tanacetum by some biologists. It is called the Dalmatian chrysanthemum, denoting its origin in that region of Europe (Dalmatia).
Wikipedia
Pyrethrum
Pyrethrum was a genus of several Old World plants now classified as Chrysanthemum or Tanacetum which are cultivated as ornamentals for their showy flower heads. Pyrethrum continues to be used as a common name for plants formerly included in the genus Pyrethrum. Pyrethrum is also the name of a natural insecticide made from the dried flower heads of Chrysanthemum cinerariifolium and Chrysanthemum coccineum. The insecticidal compounds present in these species are pyrethrins.
Esempi dal corpus di testo per pyrethrum
1. The individual stamp carries Pyrethrum hybridum, a plant gifted to him by a Swiss public figure.
2. It was around then that he decided to leave his small pyrethrum farm in the town of Kipipiri, in the Kikuyu heartland of central Kenya, and start a business in Nairobi.
3. "However, we have just begun to scratch the surface of what is possible under AGOA." Other products exported to the United States under AGOA include pyrethrum from Rwanda, fruits and nuts from Malawi, processed fruit products from Swaziland, footwear from Mauritius, basketry and wickerwork from Madagascar.