Melilotus indicus (L.) All.
A hairless annual, with erect to ascending, branching stems up to 50 cm tall. Leaves trifoliate; leaflets 8 to 20 mm long; oblanceolate; serrated. Flowers in dense, many-flowered axillary racemes 0.5 to 2 cm long, which elongate 3 to 4 times in fruit. Flowers yellow, 2 to 2.5 mm long; standard slightly longer than the wings and keel. Seed pod whitish green, 2 to 3 mm across, circular; distinctly net-veined.
Local: Very common and widespread in Gibraltar. Mainly found around from North Front, around the East Side and some southern parts. Also as a weed in urban areas. Rarely in the Upper Rock.
Global: Native to northern Africa, Europe and Asia, but naturalized throughout the rest of the world.
Flowers from (January) March, April, May to June.
Grows on fields, waysides and waste ground.