flowers on caucasian comfrey or symphytum caucasicum close-up, selective focus, shallow dof

asperum asterids beinwell blossom blossoming blue boraginaceae botany bush caucasian caucasium comfrey curl family field flora floral flower garden green growing healthy herb herbal inflorescence leaf leaves long meadow medicinal medicine natural nature nobody object outdoor petal plant prickly rough selectivefocus shallowdof shrub spring stalk stem summer symphytum term white wild