Medicago lupulina, commonly known as
black medick,
nonesuch, or
hop clover, is a plant of dry grassland belonging to the legume or clover family. Plants of the genus
Medicago, or bur clovers, are closely related to the true clovers (
Trifolium) and sweet clover (
Melilotus). Like the true clovers, black medick has three leaflets and a small, yellow flower closely resembling those of lesser trefoil. Black medick belongs to the same genus as alf
(Wikipedia)