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Iva xanthifolia

Common name: Giant Sumpweed Family: Compositae
Author: Nutt. Botanical references: 17
Synonyms: Cyclachaena xanthifolia ((Nutt.)Fresen.)
Known Hazards: None known
Range: N. America. A casual in Britain[17].
Habitat: Not known
Edibility Rating (1-5): 0Medicinal Rating (1-5):1

Other Common Names:From various places around the Web, may not be correct. See below.
Carelessweed [B], Giant Sumpweed [P], Marsh-elder [L],
Systematics:From a USDA Plants Database
Order: Asterales. Renamed to Asteraceae -- Aster family
Other Range Info: From the Ethnobotany Database
Us(Navajo)
Noxious, Invasive and Injurious WeedsFrom USDA PLANTS database, Weeds Australia , DEFRA Injurious Weeds
Listed as noxious/invasive for: Minnesota.

Physical Characteristics

Annual growing to 1m. . The flowers are hermaphrodite (have both male and female organs). We rate it 0/5 for edibility and 1/5 for medicinal use.

The plant prefers light (sandy), medium (loamy) and heavy (clay) soils. The plant prefers acid, neutral and basic (alkaline) soils. It can grow in semi-shade (light woodland) or no shade. It requires moist soil.

Edible Uses

None known

Medicinal Uses

Disclaimer

An infusion or decoction of the plant has been drunk and used as a lotion in the treatment of coughs and influenza[257]. A poultice of the plant has been used in the treatment of boils[257].

Other Uses

None known

Cultivation details

We have very little information on this species and do not know its cultivation needs. However, it is likely to succeed in most soils that are not too heavy or wet and will probably prefer a sunny position.
The pollen of this species is one of the main causes of hay fever[257].

Propagation

Seed -

Suppliers

For more details of plant suppliers please see our Suppliers Page which lists many more places to look.

Web References

References for iva xanthifolia (a possible synonym).

See the PFAF Links Pages for other sources.

Also try Photos and info from the The Plants Database which has 14,000 images.

References

[17] Clapham, Tootin and Warburg. Flora of the British Isles. Cambridge University Press 1962
A very comprehensive flora, the standard reference book but it has no pictures.

[257] Moerman. D. Native American Ethnobotany Timber Press. Oregon. 1998 ISBN 0-88192-453-9
Very comprehensive but terse guide to the native uses of plants. Excellent bibliography, fully referenced to each plant, giving a pathway to further information. Not for the casual reader.


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Bibliography

Plant information taken from the Plants For A Future - Species Database. Copyright (c) 1997-2003.
WEB search engine by Rich Morris - Home Page- Contact Info
  Blagdon Cross, Ashwater, Beaworthy, Devon, EX21 5DF, UK.
Website: www.pfaf.org Phone: 0845 458 4719/_44(0) 1208 872963

This page (UK) http://www.comp.leeds.ac.uk/cgi-bin/pfaf/arr_html?Iva+xanthifolia
This page (US) http://www.ibiblio.org/pfaf/cgi-bin/arr_html?Iva+xanthifolia

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We make no claims of magical effects or supernatural powers for any item in this catalog. In spite of legendary attributes or occult and craft tradition, such items are offered as curios only and beliefs concerning their magical effectiveness are related only for historical interest.

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