''Diplotaxis'' (wall-rocket) is a genus of 32–34 species of

flowering plant Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (), commonly called angiosperms. The term "angiosperm" is derived from the Greek words ('container, vessel') and ('seed'), and refers to those plants t ...

s in the family

Brassicaceae Brassicaceae () or (the older) Cruciferae () is a medium-sized and economically important family of flowering plants commonly known as the mustards, the crucifers, or the cabbage family. Most are herbaceous plants, while some are shrubs. The leav ...

(Cruciferae), native to Europe, the Mediterranean region and

Macaronesia Macaronesia (Portuguese: ''Macaronésia,'' Spanish: ''Macaronesia'') is a collection of four volcanic archipelagos in the North Atlantic, off the coasts of Africa and Europe. Each archipelago is made up of a number of Atlantic oceanic islands ...

; the species diversity is highest in the

Iberian Peninsula The Iberian Peninsula (), ** * Aragonese and Occitan: ''Peninsula Iberica'' ** ** * french: Péninsule Ibérique * mwl, Península Eibérica * eu, Iberiar penintsula also known as Iberia, is a peninsula in southwestern Europe, def ...

North Africa North Africa, or Northern Africa is a region encompassing the northern portion of the African continent. There is no singularly accepted scope for the region, and it is sometimes defined as stretching from the Atlantic shores of Mauritania in ...

and the

Cape Verde , national_anthem = () , official_languages = Portuguese , national_languages = Cape Verdean Creole , capital = Praia , coordinates = , largest_city = capital , demonym ...

archipelago. They are

annual Annual may refer to: *Annual publication, periodical publications appearing regularly once per year ** Yearbook ** Literary annual *Annual plant *Annual report *Annual giving *Annual, Morocco, a settlement in northeastern Morocco *Annuals (band), ...

perennial A perennial plant or simply perennial is a plant that lives more than two years. The term ('' per-'' + '' -ennial'', "through the years") is often used to differentiate a plant from shorter-lived annuals and biennials. The term is also widel ...

plants, either

herbaceous Herbaceous plants are vascular plants that have no persistent woody stems above ground. This broad category of plants includes many perennials, and nearly all annuals and biennials. Definitions of "herb" and "herbaceous" The fourth edition o ...

or sub-shrubby with a woody base. The

flower A flower, sometimes known as a bloom or blossom, is the reproductive structure found in flowering plants (plants of the division Angiospermae). The biological function of a flower is to facilitate reproduction, usually by providing a mechanis ...

s are yellow in most species, but are white in '' Diplotaxis erucoides'' and violet in '' Diplotaxis acris''. Some species, such as ''

Diplotaxis tenuifolia ''Diplotaxis tenuifolia'' is a species of flowering plant in the mustard family known by the common name perennial wall-rocket. It is native to Europe and West Asia, where it grows on disturbed ground and roadsides, and it can now be found throug ...

'' and '' Diplotaxis muralis'', have been historically used as leaf vegetables, are similar to ''

Eruca sativa Arugula (American English) or rocket (Commonwealth English) (''Eruca vesicaria''; syns. ''Eruca sativa'' Mill., ''E. vesicaria'' subsp. ''sativa'' (Miller) Thell., ''Brassica eruca'' L.) is an edible annual plant in the family Brassicaceae used a ...

'' in their peppery flavour, and are used interchangeably with it.

Species

''Diplotaxis'' contains the following species: *'' Diplotaxis acris'' ( Forssk.) Boiss. *'' Diplotaxis antoniensis'' Rustan *'' Diplotaxis assurgens'' (

Delile Alire Raffeneau Delile (23 January 1778, in Versailles – 5 July 1850, in Montpellier) was a French botanist. Biography Delile studied botany with Jean Lemonnier, and was in the Paris medical school in 1796. Egypt Delile participated in Napol ...

) Thell. *'' Diplotaxis berthautii'' Braun-Blanq. & Maire *'' Diplotaxis brachycarpa'' Godron *'' Diplotaxis brevisiliqua'' ( Coss.) Mart.-Laborde *'' Diplotaxis catholica'' ( L.) DC. *'' Diplotaxis cretacea'' Kolov *'' Diplotaxis erucoides'' (L.) DC. – white wall-rocket *'' Diplotaxis glauca'' ( J.A.Schmidt) O.E.Schulz *'' Diplotaxis gorgadensis'' Rustan *'' Diplotaxis gracilis'' (

Webb Webb most often refers to James Webb Space Telescope which is named after James E. Webb, second Administrator of NASA. It may also refer to: Places Antarctica * Webb Glacier (South Georgia) * Webb Glacier (Victoria Land) * Webb Névé, Victor ...

) O.E.Schulz *'' Diplotaxis griffithii'' (

Hook.f. Sir Joseph Dalton Hooker (30 June 1817 – 10 December 1911) was a British botanist and explorer in the 19th century. He was a founder of geographical botany and Charles Darwin's closest friend. For twenty years he served as director of t ...

& Thomson) Boiss. *'' Diplotaxis harra'' (Forssk.) Boiss. *'' Diplotaxis hirta'' (A.Chev.) Rustan & L.Borgen *'' Diplotaxis ibicensis'' (Pau) Gómez-Campo *'' Diplotaxis ilorcitana'' (Sennen) Aedo, Mart.-Laborde & Muñoz Garm. *'' Diplotaxis kohlaanensis'' A. G. Miller & J. Nyberg *'' Diplotaxis muralis'' (L.) DC. – annual wall-rocket *'' Diplotaxis nepalensis'' Hara *'' Diplotaxis ollivieri'' Maire *'' Diplotaxis pitardiana'' Maire *'' Diplotaxis scaposa'' DC. *''

Diplotaxis siettiana ''Diplotaxis siettiana'', known in Spanish as ', is a species of flowering plant in the family Brassicaceae. It is endemic to Alborán Island in the western Mediterranean Sea, where it grows only around the helipad. The natural population became ...

'' Maire *'' Diplotaxis siifolia'' Kunze *'' Diplotaxis simplex'' ( Viv.) Spreng. *'' Diplotaxis sundingii'' Rustan *''

'' (L.) DC. – perennial wall-rocket *'' Diplotaxis tenuisiliqua'' Delile *'' Diplotaxis varia'' Rustan *'' Diplotaxis villosa'' Boulos & W.Jallad *'' Diplotaxis viminea'' (L.) DC. *'' Diplotaxis virgata'' ( Cav.) DC. *'' Diplotaxis vogelii'' (Webb) Cout.

References

Brassicaceae genera {{Brassicales-stub