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Brassica tournefortii - Gouan.
Common Name Wild Turnip-Rape, Asian mustard
Family Brassicaceae or Cruciferae
USDA hardiness 7-11
Known Hazards None known
Habitats Dunes, roadsides and fields in the maritime belt[74].
Range Europe - E. Mediterranean to W. Asia.
Edibility Rating  
Other Uses  
Weed Potential Yes
Medicinal Rating  
Fully Hardy Moist Soil Full sun


Brassica tournefortii Wild Turnip-Rape, Asian mustard

Brassica tournefortii Wild Turnip-Rape, Asian mustard
Physical Characteristics
 icon of manicon of flower
Brassica tournefortii is a ANNUAL growing to 0.6 m (2ft).
It is hardy to zone (UK) 7. The flowers are hermaphrodite (have both male and female organs) 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: Leaves;  Oil.
Edible Uses: Oil.

Leaves and young shoots - cooked[177, 183]. An edible oil is obtained from the seed[177, 183].
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.

None known
Other Uses

None known
Cultivation details
We have very little information on this species and do not know if it will be hardy in Britain, though it should be possible to grow it as a spring-sown annual. The following notes are based on the general needs of the genus. Succeeds in full sun in a well-drained fertile preferably alkaline soil[200]. Grows well in the heavier soils.
Seed - sow spring in situ.
Other Names
Asian mustard; long-fruit turnip; Mediterranean mustard; Mediterranean turnip; pale cabbage; Sahara mustard; tournefort’s birdrape; tournefort’s mustard; wild turnip. Spanish: mostaza; mostaza del desierto; mostaza del Sahara. French: chou de tournefort. Arabic: qarras; shiltam. Finland: välimerenkaali. Italy: cavolo di tournefort. UK: bresychen welw.
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.

Highly invasive annual herb and is recorded as negatively affecting native species in some US states and Australia. Its fast growth rates enable it to monopolize soil moisture and light and mature before native wildflowers [1d].
Conservation Status
IUCN Red List of Threatened Plants Status : This taxon has not yet been assessed .
Related Plants
Latin NameCommon NameEdibility RatingMedicinal Rating
Alliaria petiolataGarlic Mustard32
Arabidopsis thalianaThale Cress, Mouseear cress01
Arabis alpinaAlpine Rock Cress, Alpine rockcress20
Arabis caucasicaRock Cress, Wall Rockcress20
Arabis hirsutaHairy rockcress, Mountain rockcress, Creamflower rockcress10
Arabis lyrataRock Cress, Kamchatka rockcress, Lyrate rockcress10
Arabis pendula 10
Arabis sagittata 10
Arabis serrata 10
Armoracia rusticanaHorseradish, Red Cole33
Aubrieta deltoideaAubretia, Lilacbush, False Rockcress00
Aurinia saxatilisGolden Alyssum, Basket of gold00
Barbarea australis 21
Barbarea orthocerasAmerican Yellowrocket20
Barbarea vernaLand Cress, Early yellowrocket30
Barbarea vulgarisYellow Rocket, Garden yellowrocket31
Brassica balearica 10
Brassica carinataAbyssinian Cabbage42
Brassica creticaMustard20
Brassica elongataElongated mustard20
Brassica junceaBrown Mustard42
Brassica juncea crispifoliaCurled Mustard42
Brassica juncea foliosaLeaf Mustard42
Brassica juncea integrifolia crispifoliaCurled Mustard42
Brassica juncea integrifolia rugosaHead Mustard42
Brassica juncea integrifolia strumataLarge Petiole Mustard42
Brassica juncea integrifolia subintegrifoliaLeaf Mustard42
Brassica juncea multicepsGreen In The Snow42
Brassica juncea napiformisRoot Mustard42
Brassica juncea rugosaHead Mustard42


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Expert comment
Botanical References
Links / References
For a list of references used on this page please go here
Readers comment
Elizabeth Powell   Tue May 10 00:32:20 2005
This plant is a highly invasive weed in the desert southwest of the United States. Caution should be used importing this plant to other countries.
Craig Dremann, Redwood City, California   Wed Jun 22 23:11:05 2005
Dr. Powell's comments don't really convey the problem, which is: HELP!! HELP!!! HELP!!! The Saharan Mustard is coming!!! the Saharan Mustard is coming!!!! Sincerely, Craig Dremann--see web pages below.

DO NOT EVER, EVER, EVER, EVER PLANT this plant in any arid regions anywhere on this planet, except where it is native to.

Link: Ooopps...there Goes Another North American Ecosystem, or Will the Mojave Desert and the Sonoran Desert, along with the native vegetation of four National Parks, disappear within our lifetime? North America deserts are under attack from the mustards

Jason van Warmerdam   Wed Dec 5 2007
Brassica tournefortii is an EXTREMLEY invasive weed of the Southwest and should be destroyed on sight! It increases fire frequencies, competes with and reduces productivity of native annuals, and reduces forage for wildlife, such as the desert tortise.
Pip Stokes   Thu Nov 20 2008
I have observed Brassica tournefortii growing along the strandline (Spring 2008), near Tal-y-Bont, North Wales (the exact location is SH592194). It had reproduced and appeared to be thriving.
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Subject : Brassica tournefortii  

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