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pyrethrum |
1. |
[ noun ] (botany) 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 |
Synonyms: |
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Tanacetum_coccineum
Chrysanthemum_coccineum
painted_daisy
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Related terms: |
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flower
Tanacetum
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2. |
[ noun ] (botany) white-flowered pyrethrum of Balkan area whose pinnate leaves are white and silky-hairy below; source of an insecticide; sometimes placed in genus Chrysanthemum |
Synonyms: |
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Dalmatia_pyrethrum
Tanacetum_cinerariifolium
Chrysanthemum_cinerariifolium
Dalmatian_pyrethrum
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Related terms: |
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herb
Tanacetum
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3. |
[ noun ] made of dried flower heads of pyrethrum plants |
Related terms: |
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insecticide
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4. |
[ noun ] (biology,botany) used in former classifications for plants later placed in genus Chrysanthemum and now often included in genus Tanacetum |
Synonyms: |
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genus_Pyrethrum
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Related terms: |
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asterid_dicot_genus
Compositae
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