Madia glomerata - Hook.
Common Name Mountain Tarweed
Family Asteraceae or Compositae
USDA hardiness Coming soon
Known Hazards None known
Habitats Dry open places from the foothills to moderate elevations[60].
Range Western N. America - British Columbia to Saskatchewan, south to California.
Edibility Rating  
Other Uses  
Weed Potential No
Medicinal Rating  
Moist Soil Full sun

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Madia glomerata Mountain Tarweed

Richard Old, XID Services, Inc.,
Madia glomerata Mountain Tarweed
R.A. Howard @ USDA-NRCS PLANTS Database
Physical Characteristics
 icon of manicon of flower
Madia glomerata is a ANNUAL growing to 0.8 m (2ft 7in). It is in flower from Jul to August, and the seeds ripen from Aug 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.Suitable for: light (sandy), medium (loamy) and heavy (clay) soils and prefers well-drained soil. Suitable pH: acid, neutral and basic (alkaline) soils. It cannot grow in the shade. It prefers moist soil.


 Cultivated Beds;
Edible Uses
Edible Parts: Seed.
Edible Uses:

Seed - raw or cooked[257]. Rich in oil, it can be ground into a powder and eaten dry[61, 105, 161].
Medicinal Uses

Plants For A Future can not take any responsibility for any adverse effects from the use of plants. Always seek advice from a professional before using a plant medicinally.


An infusion of the leaves and stems has been used as a herb bath in the treatment of venereal disease[257].


Other Uses

The dried herb has been burnt as an incense[257].
Cultivation details
Succeeds in any good garden soil[1]. Prefers a deep open sharply drained soil in a sunny position[200]. The flowers open in the morning or evening, closing when exposed to bright sunlight[200].
Seed - sow in mid spring in situ and only just cover the seed. Germination should take place within a couple of weeks.
Other Names
Found In
Weed Potential

Right plant wrong place. We are currently updating this section. Please note that a plant may be invasive in one area but may not in your area so it’s worth checking.

Conservation Status
IUCN Red List of Threatened Plants Status :
Related Plants
Latin NameCommon NameEdibility RatingMedicinal Rating
Madia densifoliaShowy Tarweed20
Madia dissitifloraGrassy Tarweed20
Madia elegansCommon Madia, Showy tarweed, Spring madia, Wheeler's tarweed20
Madia sativaChile Tarweed, Coast tarweed30


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Botanical References
Links / References
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Readers comment
Eloris Chisholm   Wed Feb 20 2008
This information is not what I expected. The flowers and seeds are very tiny, hardly what I'd expect anyone to eat. The plant is very noxious in it's ordor, similar to cat piss. Why would anyone want to use it as incense? I am most interested in any medicinal characteristics it may have. What are the constituents that would make it good for VD?
Ken Fern, Plants for a Future   Fri Feb 22 2008
This plant is a folk remedy that was used by the Cheyenne people in N. America as a treatment for VD. As far as I know it has never been investigated scientifically for its medicinal properties. The Crow and Klamath tribes both used the seed as a food source. They probably harvested it in the traditional way of carrying a wide but shallow container in one hand and a stick in the other, then walking through an area where various different plants were in seed. They would use the stick to beat the plants, knocking the seed into the container. The seed mix would then often be ground into a powder and cooked as a mush. It was also the Crow tribe that burnt the dried plant as an incense during various ceremonies.
Nick   Tue May 27 2008
Isn't this plant an invasive species?
   Sep 11 2017 12:00AM
I found this plant in the Oregon coast range along side of a logging road. I found the scent quite pleasant. Smells similar to marijuana flowers. I had to pick some to take home. The yellow flowers were just starting to poke out. The buds were very full of sticky resin and could smell it on my fingers hours later. I almost want to make tea out of this.
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Subject : Madia glomerata  

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