pyrethrum
English Thesaurus
1. used in former classifications for plants later placed in genus Chrysanthemum and now often included in genus Tanacetum (noun.plant)
| hypernym | : | asterid dicot genus, |
| definition | : | genus of more or less advanced dicotyledonous herbs and some trees and shrubs (noun.plant) |
2. 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 (noun.plant)
| hypernym | : | flower, |
| definition | : | a plant cultivated for its blooms or blossoms (noun.plant) |
| member meronym | : | genus tanacetum, tanacetum, |
| definition | : | a large genus of plants resembling chrysanthemums; comprises some plants often included in other genera especially genus Chrysanthemum (noun.plant) |
3. white-flowered pyrethrum of Balkan area whose pinnate leaves are white and silky-hairy below; source of an insecticide; sometimes placed in genus Chrysanthemum (noun.plant)
| hypernym | : | herb, herbaceous plant, |
| definition | : | a plant lacking a permanent woody stem; many are flowering garden plants or potherbs; some having medicinal properties; some are pests (noun.plant) |
| member meronym | : | genus tanacetum, tanacetum, |
| definition | : | a large genus of plants resembling chrysanthemums; comprises some plants often included in other genera especially genus Chrysanthemum (noun.plant) |
4. made of dried flower heads of pyrethrum plants (noun.plant)
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