purple flowers of viper bugloss (echium plantagineum

abundant background bloom blooming blossom botanical botany closeup countryside dangerous delicate dense echium plantagineum environment europe field flora flower gardening grass green growing herb herbal landscape lilac meadow mediterranean mountain natural naturally nature outdoor outdoors perennial plant poisonous purple season spring stem summer toxic venomous violet vipersbugloss wild wildflower wildflowers flowers viper bugloss vipers-bugloss