Difference between tanacetum and pyrethrum
Definitions
noun
- a large genus of plants resembling chrysanthemums; comprises some plants often included in other genera especially genus Chrysanthemum
Examples
There are no endemic genera; endemics are at the subgenus and species level only (for example, the subgenera Santolina and Kittariana of the genus Tanacetum).
Tanacetum vulgare, a herb whose name is supposedly derived by abbreviation from ‘athanasia’, the draught which gave Ganymede immortality.
There are no endemic genera; endemics are at the subgenus and species level only (for example, the subgenera Santolina and Kittariana of the genus Tanacetum).
Definitions
noun
- 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
- made of dried flower heads of pyrethrum plants
- white-flowered pyrethrum of Balkan area whose pinnate leaves are white and silky-hairy below; source of an insecticide; sometimes placed in genus Chrysanthemum
Examples
Daisy plants were first used centuries ago as a lice remedy in the Middle East, and this led to the discovery of pyrethrum insecticides.
Rwanda's export opportunities to the US include textile and clothing, and horticulture products which include pyrethrum extracts, organic food products as well as essential oils such as geranium which is used in pharmaceutical industries and perfumes.
A natural pyrethrum insecticide is cheaper, less harmful and just as effective as those chemical poisons to kill spiders.
