Kernera

{{Short description|Genus of plants}}

{{Automatic taxobox

|image = Kernera saxatilis RF.jpg

|image_caption = Kernera saxatilis between Prè and Passo Guil, Italy

|taxon = Kernera

|authority = Medik.

|synonyms = Gonyclisia {{small|Dulac}}

}}

Kernera is a monotypic genus of flowering plants belonging to the family Brassicaceae.{{cite web |title=Kernera Medik. {{!}} Plants of the World Online {{!}} Kew Science |url=https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:331683-2 |website=Plants of the World Online |access-date=16 May 2021 |language=en}} It only contains one species, 'Kernera saxatilis' (L.) Sweet {{cite web |title=Kernera saxatilis (L.) Sweet {{!}} Plants of the World Online {{!}} Kew Science |url=https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:941444-1 |website=Plants of the World Online |access-date=9 October 2021 |language=en}}

Its native range is eastern central and southern Europe. It is found in the countries of Albania, Austria, Bulgaria, Corsica, Czechoslovakia, France, Germany, Greece, Italy, Poland, Romania, Spain, Switzerland and Yugoslavia.

The genus name of Kernera is in honour of Johann Simon von Kerner (1755–1830), a German botanist and botanical illustrator, notable for his illustrations in Hortus sempervirens.{{cite book | last=Stearn | first=William | title=Stearn's Dictionary of Plant Names for Gardeners | publisher=Cassell | location=London | year=2002 | isbn=978-0-304-36469-5}} The genus was first described and published in Pfl.-Gatt. on page 71 in 1792.

File:Kernera saxatilis a1.jpg

The species of Kernera saxatilis 7 known synonyms; Alyssum rupestre {{small|Willd.}}, Camelina saxatilis {{small|(L.) Pers.}}, Cochlearia saxatilis {{small|L.}}, Crucifera kernera {{small|E.H.L.Krause}}, Gonyclisia saxatilis {{small|(L.) Dulac}}, Myagrum saxatile {{small|(L.) L.}} and Nasturtium saxatile {{small|(L.) Crantz}}.

The Latin specific epithet of saxatilis means rock-dwelling and is derived from the Latin word 'saxum'.{{cite book | last=Lewis | first=Charlton | title=An Elementary Latin Dictionary | publisher=Oxford University Press | location=Oxford | year=1891 | isbn=9780199102051 }} The species was first described and published in Hort. Brit. on page 467 in 1826.

It also has a subspecies; Kernera saxatilis subsp. boissieri {{small|(Reut.) Nyman}}, which is native to Spain. It was first published in Consp. Fl. Eur. on page 51 in 1878.{{cite web |title=Kernera saxatilis subsp. boissieri (Reut.) Nyman {{!}} Plants of the World Online {{!}} Kew Science |url=https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:879230-1 |website=Plants of the World Online |access-date=9 October 2021 |language=en}}