Difference between revisions of "Ambrosia artemisiifolia (weed)"
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| − | |de= | + | |de=beifussblättrige Ambrosie<br />aufrechte Ambrosie<br />beifußblättriges Traubenkraut |
|fr=petite herbe à poux | |fr=petite herbe à poux | ||
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Revision as of 16:51, 16 January 2014
Taxonomic position
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| Literature database |
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| 427 articles sorted by: |
| • year (recent ones first) |
| • research topics |
| • countries/regions |
| • affected crops |
| • list of natural enemies |
Author(s): Bruce Ackley, The Ohio State University
Source: IPM Images
Ambrosia artemisiifolia (weed) L. - (common ragweed)
is native to North America, but has been accidentally introduced into many other countries, mainly into temperate and subtropical regions. It is a serious and competitive annual herbaceous agricultural weed in crops like maize or soybean. In addition, it is of special concern as a source of allergies caused by its abundant pollen, produced in late summer and early autumn. Surveys indicate that 10-20% of the population suffers from Ambrosia allergies in North America and around 5% in Central Europe. The weed can be introduced into new areas through contaminated seeds, farm machinery or contaminated soil. Common habitats are abandoned land, roadsides, field margins and other disturbed areas. The plant grows to a height of 1 m or more. The leaves are deeply divided and may be fern-like. Separate male and female flower-heads are produced on different parts of the same plant. Flowers are abundant, small and inconspicuous. Fruits are also small and contain one seed only, about 2-4 mm long, which remain viable for 5 years or more.
| Vernacular names | |
|---|---|
| • Deutsch: | beifussblättrige Ambrosie aufrechte Ambrosie beifußblättriges Traubenkraut |
| • English: | common ragweed annual ragweed |
| • Français: | petite herbe à poux |
Ambrosia artemisiifolia var. elatior (syn. Ambrosia elatior) - annual ragweed. An introduced weed in Hungary and other countries, of South American origin.
Synonyms:
Ambrosia elatior
The literature database currently contains 427 publications for Ambrosia artemisiifolia (weed). (See box above/on left.)
- Other images of Ambrosia artemisiifolia (weed) (Wikimedia Commons - click to enlarge)
flowers
seeds
pollen grain (SEM)
