SK 3507 23 May 2022: 4 very high res. images.
Habit : Cultivated
It appears somewhat close to images at Lotus corniculatus
Sorry but I am very familiar with Lotus corniculatus ..common name bird foot trefoil and I do not believe it matches.
It’s quite similar to Coronilla glauca.
This is trifoliate whereas Coronilla glauca. has got more leaflets.
Sorry.. nothing like Medicago… must have been half asleep suggesting that.
Citrina is more like a free standing shrub.
I feel it is a Lotus species only e.g. like Lotus cytisoides L.