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pyrethrum

pyrethrum

8.8
A plant like a daisy whose flowers people use to make a natural insect spray
  • noun
  • /paɪˈrɛθrəm/
translation icon : pirétro
  • Elburgon is a quiet village town located in Kenya's Rift Valley, a province that has traditionally produced maize, wheat, and pyrethrum.

Examples

  • They're just supposed to be "natural" ones like pyrethrum (an extract of the chrysanthemum plant).

    Blog text (24)
  • Passion fruit, peanuts, pyrethrum, cattle, chickens, goats, pig breeding, and fish are said to be Kondom's introductions.

    Academic text (1990)
  • Farmers often rely on pyrethrum as a natural insecticide to protect their crops.

  • Many organic gardeners prefer using pyrethrum for pest control due to its plant-based origin.

  • To combat aphids, I sprayed the plants with pyrethrum, a safe alternative to chemical insecticides.

Synonyms

Chrysanthemum cinerariifolium
vspyrethrum
  • Specialized
9.9

A plant with white flowers from the Balkans that produces a natural insect-killing extract

is the broader flowering-plant category rather than one main source species
Tanacetum cinerariifolium
vspyrethrum
  • Specialized
9.9

A plant with white flowers that people use to make a natural insect spray

is the wider flowering-plant group rather than that single species
Dalmatian pyrethrum
vspyrethrum
9.9

A white-flowered plant from the Balkans used to make natural insect spray

is the general flowering-plant category rather than this regional named species
Dalmatia pyrethrum
vspyrethrum
  • Specialized
9.9

A white-flowered plant from the Balkans with divided leaves and silky white hairs underneath used as a natural insect killer

is the wider plant category rather than this locally described species
Tanacetum coccineum
vspyrethrum
  • Specialized
9.9

A garden plant from Asia with divided scented leaves and pink or white daisy flowers that repel insects

is the commonly used insecticide plant rather than an occasional ornamental source
Chrysanthemum coccineum
vspyrethrum
  • Specialized
9.7

A garden plant with divided scented leaves and pink to purple flowers that helps keep insects away

is the main insecticide-producing plant rather than a garden plant used sometimes
painted daisy
vspyrethrum
  • Indian
7.4

A garden plant from Asia with divided scented leaves and white, pink, or purple flowers that keeps insects away

is the commonly used insecticide plant rather than a cultivated decorative source

Compounds

A white-flowered plant from the Balkans used to make natural insect spray

Dalmatia pyrethrum
  • Specialized
9.9

A white-flowered plant from the Balkans with divided leaves and silky white hairs underneath used as a natural insect killer

Anacyclus pyrethrum
  • Specialized
9.9

A small Mediterranean plant whose roots people chewed to ease toothache

Surface Forms

pyrethrum singular
pyrethrums plural

Etymology

Pyrethrum comes from the Greek pyrethron, a name linked to the idea of 'fever' or heat because people once used the plant for fever. So the name helps you remember that pyrethrum is a strong, daisy-like plant whose flowers are used to keep insects away.