Medicago arborea
Medicago arborea is a flowering plant species in the pea and bean family Fabaceae. Common names include moon trefoil, shrub medick, alfalfa arborea, and tree medick. It is found throughout Europe and especially in the Mediterranean basin, primarily on rocky shores among shrubby vegetation. It forms a symbiotic relationship with the bacterium Sinorhizobium meliloti, which is capable of nitrogen fixation. It is the only member of the genus Medicago which is used as an ornamental. M. arborea is sometimes misidentified as Cytisus, which it resembles. Description
The shrub is  high and wide and is pale yellow in colour. Its stems are erect and terete while its stipules are triangular and are  in height. Its petioles are  long with obovate to obcordate leaflets. Flowers are scattered 6-10 racemes and are  long with axillar peduncles which are . The corolla is of orange colour and is . Bracts are  long while its pedicels are  long. Its legume is coiled in 0.5 to 1.5 spirals which are  wide and are pubescent at the center. The seeds are  long. References

External links
International Legume Database & Information Services
Medicago arborea L.
Medicago arborea - L.

arborea
Flora of Spain
Matorral shrubland
Plants described in 1753
Taxa named by Carl Linnaeus
Flora of Malta