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Pyrethrum was a genus of several Old World plants now classified in either 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 extracted of the Persian chrysanthemum (painted daisy) was already imported to central Europe from Georgia in the middle of the 19th century. Most of the world's supply of pyrethrin and C. cinerariaefolium today comes from Kenya, which produces the most potent flowers.
Tanacetum cinerariifolium is a species of flowering plant in the aster family, Asteraceae, [1] 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 or Dalmatian pyrethrum, denoting its origin in that region of Europe (Dalmatia ...
The brightly-colored painted daisy comes in a variety of hues and is popular for its ability to attract butterflies and repel pesky insects. Blooms: Summer Hardiness Zones: 3 to 7.
Tanacetum corymbosum. Tanacetum is a genus of about 160 species of flowering plants in the aster family, Asteraceae, native to many regions of the Northern Hemisphere. [5] They are known commonly as tansies.
Argyranthemum frutescens, known as Paris daisy, [2] marguerite or marguerite daisy, is a perennial plant known for its flowers. It is native to the Canary Islands (part of Spain ). [ 3 ] Hybrids derived from this species ( garden marguerites ) are widely cultivated as ornamental plants in private gardens and public parks in many countries, and ...
Tanacetum parthenium, known as feverfew, [1] is a flowering plant in the daisy family, Asteraceae. It may be grown as an ornament, and may be identified by its synonyms, Chrysanthemum parthenium and Pyrethrum parthenium. It is used in traditional medicine.
Pyrethrum (Chrysanthemum [or Tanacetum] cinerariaefolium) is economically important as a natural source of insecticide. The flowers are pulverized, and the active components, called pyrethrins , which occur in the achenes , are extracted and sold in the form of an oleoresin .
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