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   » » Wiki: Rhamphospermum Nigrum
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Rhamphospermum nigrum (syns. Brassica nigra and Sinapis nigra), black mustard, is an native to cooler regions of North Africa, temperate regions of Europe, and parts of Asia. It is cultivated for its dark-brown-to-black seeds, which are commonly used as a .


Description
It is an upright plant, growing to in width
(2025). 9781472984746, Bloomsbury.
and up to tall in moist, fertile soil. The large stalked leaves are covered with hairs or bristles at the base, with smoother stems. New England Botany
(2025). 9781402767159, Sterling. .

It blooms in summer (from May onwards in the UK). The flowers have four yellow petals, which are twice as long as the sepals. Each stem has around four flowers at the top, forming a ring around the stem. Later, the plant forms long, beaked seed pods, which contain rounded seeds.

(1981). 9780276002175, Reader's Digest.


Similar species
Despite their similar common names, black mustard and (genus ) are not in the same genus. Black mustard belongs to the same tribe as and .

R. nigrum also resembles Hirschfeldia incana (hoary mustard, formerly known as Brassica geniculata), a plant.


Taxonomy
It was formally described by Karl Koch in "Deutschl. Fl." (or Deutschlands Flora) ed.3 on page 713 in 1833. This was based on a description by the Swedish botanist .

The Latin-specific epithet nigrum is derived from the Latin word for black.Allen J. Coombes D. Gledhill This is due to the black seeds.


Distribution and habitat
It is to tropical regions of North Africa, temperate regions of Europe and parts of Asia.

In North Africa, it is found within Algeria, Egypt, Eritrea, Libya, Ethiopia, Morocco and Tunisia. Within Asia, it is found in Afghanistan, Armenia, the , China (in the provinces of , Jiangsu, , Xinjiang and ), Cyprus, India, Iran, Iraq, Israel–Palestine, Kazakhstan, Lebanon, Syria and Turkey.

In eastern Europe, it is found in Belarus, Moldova and Ukraine. In middle Europe, it is found in Austria, Belgium, Czech Republic, Germany, Hungary, Netherlands, Poland, Slovakia and Switzerland. In northern Europe, in Ireland and the United Kingdom. In southeastern Europe, within Albania, Bosnia and Herzegovina, Bulgaria, Croatia, Greece, Italy, Montenegro, , Romania, Serbia and Slovenia. In southwestern Europe, it is found in France and Spain.

It was introduced to the Pacific coast of North America and is considered an invasive species. The plant was brought here centuries ago by Catholic missionaries during the era of Spanish exploration and colonization, as a food crop, according to Matt Loftis, a manager of Mountain Forestry Department at in Los Angeles, California. It has since thrived unchecked, aided by a similar Mediterranean climate in Southern California.


Uses
The plant was used as a more than 2,000 years ago; it was mentioned by the author in the 1st century . The plant leaves were also in vinegar. In 13th-century France the seeds were ground and used. They were mixed with unfermented grape juice (must) to create "moût-ardent" ("burning must"). This became later "moutarde", or mustard in English.

A spice is generally made from ground seeds of the plant,

(2025). 9780906720561, Alison Hodge.
with the removed. The small (1 mm) seeds are hard and vary in color from dark brown to black. They are flavorful, although they have almost no aroma. The seeds are commonly used in , for example in , where it is known as rai. The seeds are usually thrown into hot oil or , after which they pop, releasing a characteristic nutty flavor. The seeds have a significant amount of fatty oil, mainly . This oil is used often as in India, where it is called "sarson ka tel".

The young leaves, buds and flowers are edible. In Ethiopia, where the plant is cultivated as a vegetable in , and , the shoots and leaves are consumed cooked and the seeds used as a spice. Its name is senafitch.

Since the 1950s, black mustard has become less popular as compared to , because some cultivars of brown mustard have seeds that can be mechanically harvested in a more efficient manner.


Folk medicine
In the UK, the plant was used to make "hot mustard baths", which would aid people with colds. Ground seeds of the plant mixed with are widely used in eastern Europe as a cough suppressant. In Eastern Canada, the use of mouche de moutarde to treat respiratory infections was popular before the advent of modern medicine. It consisted in mixing ground mustard seeds with flour and water, and creating a with the paste. This poultice was put on the chest or the back and left until the person felt a stinging sensation. Mustard poultice could also be used to aid muscular pains.


In culture
Black mustard is thought to be the seed mentioned by Jesus in the Parable of the Mustard Seed.


See also


External links

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