Descurainia incana - (Bernh. ex Fisch.&C.A.Mey)Dorn.
Common Name Mountain Tansy Mustard
Family Brassicaceae or Cruciferae
USDA hardiness Coming soon
Known Hazards None known
Habitats Found in many habitats at lower mountain elevations[60].
Range Western N. America. A casual in Britain[17].
Edibility Rating  
Other Uses  
Weed Potential No
Medicinal Rating  
Well drained soil Moist Soil Semi-shade Full sun

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Descurainia incana Mountain Tansy Mustard

Descurainia incana Mountain Tansy Mustard
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 2: 171.
Physical Characteristics
 icon of manicon of flower
Descurainia incana is a ANNUAL/BIENNIAL growing to 1 m (3ft 3in). It is in flower from Jun to August, and the seeds ripen from Aug to September. The flowers are hermaphrodite (have both male and female organs) and are pollinated by Self.The plant is self-fertile.
Suitable for: light (sandy), medium (loamy) and heavy (clay) soils. Suitable pH: acid, neutral and basic (alkaline) soils. It can grow in semi-shade (light woodland) or no shade. It prefers dry or moist soil.

D. richardsonii. (Sw.)Schulz. Sophia incisa.

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

Young leaves - cooked. A bitter taste[85]. Seed - raw or cooked[46, 105]. The seed can be used as a mustard substitute in soups, stews etc. It can be roasted, ground into a powder then mixed with water to make a fine batter and drunk[257]. The seed is also ground into a meal and mixed with cereal flours when making bread, or as a thickening for soups etc[61, 85].
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.


The plant has been used as a lotion for parts of the body that have become frozen in the cold and also as a lotion for sore throats[257]. No more information is given, but it is likely that the crushed seed was used for this since, being similar to mustard, it will probably have a rubefacient effect upon the skin, drawing more blood to that area of the body and thereby heating it[K]. The plant is mashed and applied to bad cuts[257].


Other Uses
None known
Cultivation details
We have almost no information on this species but since it is a casual in Britain there should be no problems in cultivating it here and it is probably not too fussy about soil or situation. We suggest growing it in a dry to moist soil in a sunny position. There is some confusion as to the correct name for this species with some authorities using the name D. richardsonii.
Seed - sow spring in situ.
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
Descurainia antarctica 20
Descurainia pinnataTansy Mustard, Western tansymustard, Menzies' tansymustard.21
Descurainia sophiaFlixweed, Herb sophia22


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(Bernh. ex Fisch.&C.A.Mey)Dorn.
Botanical References
Links / References
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Subject : Descurainia incana  

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