purple and white wildflower growing near the sea named bituminaria bituminosa also called pitch trefoil

beautiful beauty bituminaria bituminosa bloom blooming blossom botanical botanist botany close color conservation detail environment environmental family flora floral flower flowering focus green head image inflorescence issues italy landscape leaf legume meadow mediterranean natural nature petal photography pitch plant purple sea selective social spring springtime summer trefoil uncultivated violet white wild wildflower