purple viper's-bugloss (echium plantagineum) flowering in the autumn . blooming paterson's curse plant

fall autumn aroma beautiful bloom blooming blossom blossoming blueweed botanical botany bugloss closeup colour detail detailed echium plantagineum field flora floral flower macro meadow medicinal herb nature paterson 039 curse plant poisonous plants purple viper pyrrolizidine alkaloids season uncultivated vipers wildflower viper's-bugloss flowering paterson's plant