Wild mustard

Description

Sinapis arvensis, the charlock mustard, field mustard, wild mustard or charlock, is an annual or winter annual plant of the genus Sinapis in the family Brassicaceae. It is found in the fields of North Africa, Asia and Europe. Pieris rapae, the small white butterfly, and Pieris napi, the green veined white butterfly are significant consumers of charlock during their larval stages.