Rapistrum rugosum

(L.) All.

Turnip Weed, Short-fruited wild turnip

Brassicaceae Edible: Leaves, Stems, Root Potential hazards — see below 19,480 iNaturalist observations

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Summary

Rapistrum rugosum is a species of flowering plant in the mustard family commonly known as bastard cabbage or annual bastard cabbage, as well as "common giant mustard", "turnipweed", "ball mustard", "wild turnip", "wild rape", or "tall mustard-weed". It is native to parts of Eurasia and Africa, but is present throughout the world as an introduced species and a common weed. It is an invasive species in many areas. It is an annual herb producing an erect stem reaching up to about a meter tall. The leaves are variable in shape and size and the proximal blades are generally cut into lobes or divided into leaflets. The herbage is coated in rough hairs. The inflorescence is a raceme of flowers with dark-veined yellow petals that are each under a centimeter long. The fruit is a knoblike spherical ribbed silique borne on a long pedicel with a widened area where it joins the fruit. It grows mainly in temperate areas. It is used as animal food, as a poison, for medicine, and for food.

Description

A cabbage family herb. It is a plant which re-grows each year from seed or can take 2 years to complete its life cycle. It grows about 1 m high. The plant is branched. It has stiff hairs. The leaves near the base form a ring and have leaf stalks. These leaves are lobed and have irregular teeth along the edge. The flowers are yellow. The petals have easy to see dark veins. The fruit have 2 segments. One is thin and the other is rounded. There is a beak at the end.

Edible Uses

The leaves are eaten raw in salads, cooked in stews, added to tomato sauces as a pasta seasoning, and cooked with egg as an omelette. The stems are peeled and eaten raw.

Traditional Uses

CAUTION: The plant in some places has a glycoside which causes goitre. The leaves are eaten raw in salads and also cooked in stews. They are also added to tomato sauces as a pasta seasoning. They are also cooked with egg as an omelette. The stems are peeled and eaten raw.

Known Hazards

In some places, the plant contains a glycoside which causes goitre.

Distribution

It grows in tropical and warm temperate places. It can grow in arid places. In Argentina it grows from sea level to 2,000 m above sea level. Tasmania Herbarium.

Where It Grows

Africa, Albania, Argentina, Australia, Austria, Azores, Balkans, Belgium, Brazil, Bulgaria, Canada, Canary Islands, Central Asia, Chile, Cyprus, Czech Republic, Easter Island, Ethiopia, Europe, France, Georgia, Germany, Greece, Hawaii, Hungary, Iran, Iraq, Israel, Italy, Korea, Mediterranean, Middle East, Netherlands, Norfolk Island, North Africa, North America, Pacific, Pakistan, Paraguay, Poland, Portugal, Romania, Russia, Saudi Arabia, Scandinavia, Sicily, Slovakia, Slovenia, South Africa, Southern Africa, South America, Spain, Sweden, Switzerland, Tajikistan, Tasmania, Turkey, Türkiye, Ukraine, Uruguay, USA, Yemen, Yugoslavia,

Notes

There are about 3 Rapistrum species.

Synonyms

Myagrum rugosum L.Rapistrum orientale (L.) Crantz

Also Known As

Bolok'a, Cima, Hardala otu, Isiqwashumbe, Kucuk yabani turp, Mostacilla, Ravaniza, Sinapa spagnola, Turpenk, Turp otu

References (33)

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Bussman, R. W., et al, 2021, Unity in diversity—food plants and fungi of Sakartvelo (Republic of Georgia), Caucasus. Journal of Ethnobiology and Ethnomedicine (2021) 17:72 p 8
Cakir, E. A., 2017, Traditional knowledge of wild edible plants of Iğdır Province (East Anatolia, Turkey). Acta Soc Bot Pol. 2017;86(4):3568

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