Pyrethrum
- Pronunciation
- /pih-REETH-rum/
- Category
- Entomology
- Singular
- Pyrethrum
- Plural
- Pyrethrums
Definition
A natural insecticide derived from the flowers of Chrysanthemum cinerariaefolium, containing insecticidal pyrethrins.
Etymology
From Greek 'pyrethros', from 'pyrethron', referring to the plant's traditional use as a natural insecticide.
Example
Pyrethrum is extracted from the flowers of Chrysanthemum cinerariaefolium, commonly known as the Dalmatian pyrethrum.
Related Terms
- Insecticide
- Chrysanthemum
- Pyrethrin
Usage Notes
Pyrethrum is a natural insecticide that breaks down rapidly in sunlight. It is considered less hazardous to mammals than synthetic insecticides but can still have some toxicity.