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Brassica juncea integrifolia strumata - M.Tsen & S.H.Lee

Common Name Large Petiole Mustard
Family Brassicaceae
USDA hardiness 6-10
Known Hazards None known
Habitats Not known in the wild.
Range A cultivar of garden origin.
Edibility Rating    (4 of 5)
Other Uses    (2 of 5)
Weed Potential No
Medicinal Rating    (2 of 5)
Care
Fully Hardy Moist Soil Semi-shade Full sun
Brassica juncea integrifolia strumata Large Petiole Mustard


Brassica juncea integrifolia strumata Large Petiole Mustard

 

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Summary

Large petiole mustard, Brassica juncea, is an annual plant up to 75 cm tall known for its large, edible leaf stems. It is native to central Asian Himalayas to China. It is grown in temperate areas and it can tolerate high rainfall but not drought. The leaves, leaf stems, flowers, and young flowering stems are eaten raw or cooked. The seed is used as a mustard flavouring and can produce an edible semi-drying oil. It is also used medicinally against arthritis, foot ache, lumbago and rheumatism. The seed is used as treatment for tumours, abscesses, colds, lumbago, rheumatism, and stomach disorders. The root is used to increase milk supply in lactating women. The oil is used as treatment for skin disorders and ulcers. Lastly, the leaves are used to relieve headache, inflammation, bladder, and haemorrhage. Head mustard is also planted as green manure.


Physical Characteristics

 icon of manicon of flower
Brassica juncea integrifolia strumata is a ANNUAL growing to 0.8 m (2ft 7in) by 0.8 m (2ft 7in) at a fast rate.
It is hardy to zone (UK) 6. The flowers are pollinated by Bees. The plant is self-fertile.
Suitable for: light (sandy), medium (loamy) and heavy (clay) soils, prefers well-drained soil and can grow in heavy clay soil. Suitable pH: acid, neutral and basic (alkaline) soils. It can grow in semi-shade (light woodland) or no shade. It prefers moist soil.

UK Hardiness Map US Hardiness Map

Synonyms

No synonyms are recorded for this name.

Habitats

Edible Uses

Edible Parts: Flowers  Leaves  Seed  Shoots  Stem
Edible Uses:

Leaves and leaf stems - raw or cooked. Flowers and young flowering stems - raw or cooked[ 52 ]. Sweet and succulent[ 133 ]. An edible semi-drying oil is obtained from the seed[ 1 , 2 , 17 , 57 , 183 ]. The seed contains 25 - 30% oil[ 74 ]. The seed is used as a mustard flavouring[ 171 ]. It is the source of 'brown mustard'[ 183 ], a prepared mustard that is milder than that produced from other species[ 238 ]. Pungency of mustard develops when cold water is added to the ground-up seed - an enzyme (myrosin) acts on a glycoside (sinigrin) to produce a sulphur compound. The reaction takes 10 - 15 minutes. Mixing with hot water or vinegar, or adding salt, inhibits the enzyme and produces a mild bitter mustard[ 238 ]. Black mustard comes from B. nigra and white mustard from Sinapis alba. The seed is also used whole in curries and pickles[ 238 ]. They are often heated in oil to destroy their pungency and give them a nutty flavour[ 238 ]. Sprouted seeds can be added to salads.

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.


Reported to be anodyne, aperitif, diuretic, emetic, rubefacient, and stimulant, the plant is a folk remedy for arthritis, foot ache, lumbago, and rheumatism[ 269 ]. The seed is used in the treatment of tumours in China[ 269 ]. In Korea, the seeds are used in the treatment of abscesses, colds, lumbago, rheumatism, and stomach disorders[ 269 ]. The root is used as a galactagogue in Africa[ 269 ]. Ingestion may impart a body odour repellent to mosquitoes[ 269 ]. Mustard oil is used in the treatment of skin eruptions and ulcers[ 269 ]. Believed to be aperient and tonic, the volatile oil is used as a counterirritant and stimulant[ 269 ]. In Java the plant is used as an antisyphilitic emmenagogue[ 269 ]. Leaves applied to the forehead are said to relieve headache[ 269 ]. The Chinese eat the leaves in soups for bladder, inflammation or haemorrhage[ 269 ].

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Other Uses

Other Uses: None known

Special Uses

Cultivation details

Originating from the central Asian Himalayas to China, the plant has long been cultivated and many forms have been developed that can be grown from the temperate to the tropical zones. Succeeds in full sun in most well-drained moisture-retentive fertile soils[ 16 , 200 , 206 ]. Prefers a heavy soil and some shade[ 16 ]. Dislikes very hot weather[ 33 ]. Plants tolerate high rainfall and, although fairly deep rooted, are not very drought resistant[ 206 ]. A form of B. Juncea that has been selected in the Orient for its edible swollen stem, there are many named varieties[ 206 ]. Plants are reasonably cold-tolerant[ 206 ]. They prefer a fairly high stable temperature and are well adapted to short day length[ 200 ]. Plants have a rooting depth of between 90 - 120 cm[ 269 ]. A good bee plant[ 74 ].

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Propagation

Seed - sow in situ from August to October. Spring and early summer-sown crops tend to run quickly to seed, though they can be eaten whilst still small[ 206 ]. It is best not to sow the seed in very hot weather[ 206 ]. There are about 5,660 - 6,000 per 0.01 kg (1/3 oz)[ 269 ].

Other Names

If available other names are mentioned here

Large petiole mustard, Brassica juncea.

Found In

Countries where the plant has been found are listed here if the information is available

Coming Soon

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.

None Known

Conservation Status

IUCN Red List of Threatened Plants Status : This taxon has not yet been assessed.

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A special thanks to Ken Fern for some of the information used on this page.

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