''Coincya'' is a

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

of flowering plant that belongs to the family

Brassicaceae Brassicaceae () or (the older but equally valid) Cruciferae () is a medium-sized and economically important Family (biology), family of flowering plants commonly known as the mustards, the crucifers, or the cabbage family. Most are herbaceous pla ...

. Three species of the plant are

endemic Endemism is the state of a species being found only in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also foun ...

to the

British Isles The British Isles are an archipelago in the Atlantic Ocean, North Atlantic Ocean off the north-western coast of continental Europe, consisting of the islands of Great Britain, Ireland, the Isle of Man, the Inner Hebrides, Inner and Outer Hebr ...

, these being '' Coincya wrightii'' (Lundy cabbage), '' Coincya cheiranthos'' (nokkasinapit) and '' Coincya monensis'', which has two subspecies, ''C. monensis'' subsp. ''monensis'' (Isle of Man cabbage) and ''C. monensis'' subsp. ''recurvata'' (star mustard). Another four species are endangered and endemic to the south-central

Iberian peninsula The Iberian Peninsula ( ), also known as Iberia, is a peninsula in south-western Europe. Mostly separated from the rest of the European landmass by the Pyrenees, it includes the territories of peninsular Spain and Continental Portugal, comprisin ...

. The name derives from the French botanist Auguste-Henri de Coincy. The star mustard, a plant introduced to eight U.S. states is the same species as the Isle of Man cabbage but a different

subspecies In Taxonomy (biology), biological classification, subspecies (: subspecies) is a rank below species, used for populations that live in different areas and vary in size, shape, or other physical characteristics (Morphology (biology), morpholog ...

. It may have been introduced to the U.S. as the Isle of Man cabbage and subsequently evolved through the

founder effect In population genetics, the founder effect is the loss of genetic variation that occurs when a new population is established by a very small number of individuals from a larger population. It was first fully outlined by Ernst Mayr in 1942, us ...

and geographic isolation into a new subspecies.

Species

* '' Coincya cheiranthos'' * '' Coincya cintrana'' * '' Coincya johnstonii'' * '' Coincya monensis'' ** ''C. monensis'' subsp. ''monensis'' (Isle of Man cabbage) ** ''C. monensis'' subsp. ''recurvata'' (Star mustard) * '' Coincya richeri'' * '' Coincya wrightii''

References

{{Taxonbar, from=Q159809 Brassicaceae genera