Pyrethrum
Chrysanthemum roseum

Synonyms - Pyrethrum roseum

Order - Asterales

Family - Asteraceae

Names:

Chrysanthemum

Roseum

Pyrethrum

Other Names:

Summary:

A plant grown for the production of insecticide.

Description:

Cotyledons:

Two.

Leaves:

Stipules -

Petiole -

Blade -

Stems:

Flower head:

Flowers:

Ovary -

Sepals -

Petals -

Stamens -

Anthers -

Fruit:

Seeds:

Roots:

Key Characters:

Biology:

Life cycle:

Physiology:

Reproduction:

Flowering times:

Seed Biology and Germination:

Vegetative Propagules:

Hybrids:

Allelopathy:

Population Dynamics and Dispersal:

Origin and History:

Distribution:

ACT, NSW, NT, QLD, SA, TAS, VIC, WA.

Habitats:

Climate:

Temperate.

Soil:

Plant Associations:

Significance:

Beneficial:

Crushed flower heads used to produce an insecticide.

Detrimental:

Toxicity:

Not recorded as toxic.

Legislation:

None.

Management and Control:

Thresholds:

Eradication strategies:

Herbicide resistance:

Biological Control:

Related plants:

Summer Chrysanthemum (Chrysanthemum coronariium)

Teneriffe Daisy (Chrysanthemum foeniculaceum)

Corn Marigold (Chrysanthemum segetum)

Plants of similar appearance:

References:

Black, J.M. (1965). Flora of South Australia. (Government Printer, Adelaide, South Australia). P838.

Lazarides, M. and Hince, B. (1993). CSIRO handbook of economic plants of Australia. (CSIRO, Melbourne). #308.

Acknowledgments:

Collated by HerbiGuide. Phone 08 98444064 or www.herbiguide.com.au for more information.