It is an annual or biennial herb from 10 to 50 centimetres (4-20 inches) in height (rarely to one mt.), with yellow flowers. Similar to Melilotus altissima Thuill. in general. The flowers are 2 - 3 mm long they produces a hairless pod of similar length.
It is used as a source of nectar for bees, as forage, and as a soil improver. It is also used in folk medicine. It is poisonous to some mammals, and is a potential seed crop contaminant.