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Madia densifolia

Common name:	Showy Tarweed	Family:	Compositae
Author:	Greene.	Botanical references:	60
Synonyms:	Madia elegans densifolia ((Greene.)Keck.)
Known Hazards:	None known
Range:	South-western N. America.
Habitat:	Dry open places[60].
Edibility Rating (1-5):	1	Medicinal Rating (1-5):	0

Other Possible Synonyms:	From various places across the web, may not be correct. See below.
	M. elegans ssp. densifolia[B,C,CAL,P] M. elegans var. densifolia[B,P]
Other Common Names:	From various places around the Web, may not be correct. See below.
	Showy Tarweed [P],
Epithets:	From a Dictionary of Botanical Epithets
	densifolia = densely leaved; ensifolia = sword shaped leaves;
Systematics:	From a USDA Plants Database
	Order: Asterales. Renamed to Asteraceae -- Aster family

Physical Characteristics

Annual growing to 0.75m. . It is in flower from July to August, and the seeds ripen from August to September. The flowers are monoecious (individual flowers are either male or female, but both sexes can be found on the same plant) and are pollinated by Insects. We rate it 1/5 for edibility and 0/5 for medicinal use.

The plant prefers light (sandy), medium (loamy) and heavy (clay) soils and requires well-drained soil. The plant prefers acid, neutral and basic (alkaline) soils. It cannot grow in the shade. It requires moist soil.

Habitats and Possible Locations

Cultivated Beds.

Edible Uses

Seed.

Seed - raw or cooked[105, 161, 257]. Although quite small, the seed was a staple food for some native North American Indian tribes[257]. Rich in oil, it can be roasted then ground into a powder and eaten dry, mixed with water, or combined with cereal flours[105, 161, 257]. The seed was also used as piñole[257].

Medicinal Uses

Disclaimer

None known

Other Uses

None known

Cultivation details

We have very little information on this species and do not know how well it will grow in Britain, though it should succeed as a spring-sown annual. Some botanists say that it is no more than a form of M. elegans, a species that does succeed in this country. The following notes are based on the needs of that species.
Succeeds in any good garden soil[1]. Prefers a deep open sharply drained soil in a sunny position[200]. Another report says that it is best in a shady position[1].
The flowers open in the morning or evening, closing when exposed to bright sunlight[200].

Propagation

Seed - sow in mid spring in situ and only just cover the seed. Germination should take place within a couple of weeks.

Suppliers

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

Web References

[HP] Links, Photos, Suppliers from Hortiplex Plant Database

References for Madia elegans ssp. densifolia (a possible synonym).

[B] Data (Latin & Common names, other references) from the BONAP's Synonymized Checklist of the Vascular Flora of the United States, Puerto Rico, and the Virgin Islands.
[C] Taxon data. from the CalFlora database.
[P] Data. (uses, distribution, wetland) from the USDA'a Plants database.

See the PFAF Links Pages for other sources.

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

References

[1] F. Chittendon. RHS Dictionary of Plants plus Supplement. 1956 Oxford University Press 1951
Comprehensive listing of species and how to grow them. Somewhat outdated, it has been replaces in 1992 by a new dictionary (see [200]).

[60] Hitchcock. C. L. Vascular Plants of the Pacific Northwest. University of Washington Press 1955
A standard flora for Western N. America with lots of information on habitat etc. Five large volumes, it is not for the casual reader.

[105] Tanaka. T. Tanaka's Cyclopaedia of Edible Plants of the World. Keigaku Publishing 1976
The most comprehensive guide to edible plants I've come across. Only the briefest entry for each species, though, and some of the entries are more than a little dubious. Not for the casual reader.

[161] Yanovsky. E. Food Plants of the N. American Indians. Publication no. 237. U.S. Depf of Agriculture.
A comprehensive but very terse guide. Not for the casual reader.

[200] Huxley. A. The New RHS Dictionary of Gardening. 1992. MacMillan Press 1992 ISBN 0-333-47494-5
Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.

[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.

Readers Comments

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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.
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This page (UK) http://www.comp.leeds.ac.uk/cgi-bin/pfaf/arr_html?Madia+densifolia
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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.