chrysanthemum cinerariifolium
Học thuậtThân thiện
A gardener carefully tends to a chrysanthemum cinerariifolium in a botanical garden.
Definition
Noun 1. A species of white-flowered pyrethrum: A plant native to the Balkan region, characterized by white flowers and leaves that are pinnate (feather-like), white, and silky-hairy on their underside. It is the primary source of the natural insecticide pyrethrin.
Usage Examples
- Noun:
- The insecticide was derived from Chrysanthemum cinerariifolium. (The natural insecticide was extracted from this specific plant species.)
- Fields of Chrysanthemum cinerariifolium are cultivated for their pesticidal properties. (This plant is grown in agricultural fields specifically for producing insecticide.)
Advanced Usage
- Scientific Classification: In botanical contexts, this plant is sometimes classified under the genus , though its taxonomy has been revised. The term is used precisely to refer to this specific source species for pyrethrins.
- The active compounds from Chrysanthemum cinerariifolium are used in organic farming. (The chemicals from this exact plant are utilized in certain agricultural practices.)
Variants and Related Words
- Pyrethrum: A common name for this plant and for the insecticide made from it.
- Tanacetum cinerariifolium: The accepted botanical name for this species in many modern classifications.
- Dalmatian pyrethrum: Another common name referencing its historical geographical association.
Synonyms
- Pyrethrum daisy: A descriptive synonym highlighting its flower type and use.
- Insecticide flower: A functional synonym describing its primary use.
Notes on Meaning
This term refers specifically to a botanical species with a highly specialized industrial and agricultural application. Its meaning is almost exclusively technical, relating to horticulture, botany, or the production of natural pesticides. It is not used in everyday conversation.
A gardener carefully tends to a chrysanthemum cinerariifolium in a botanical garden.
Noun
- white-flowered pyrethrum of Balkan area whose pinnate leaves are white and silky-hairy below; source of an insecticide; sometimes placed in genus Chrysanthemum