Flora of Northern Ireland
Sinapis arvensis
© Graham Day
Sinapis arvensis
(Map updated: March 2008)
 

Probably the commonest yellow-flowered crucifer of waste and marginal ground, and common as an arable weed. Far commoner than the related Sinapis alba.

All names: Sinapis arvensis L.; Brassica arvensis (L.) Rabenh., non L.; Brassica sinapis Vis.; Sinapis kaber (DC.) L.C.Wheeler