periwinkle flower. botanical of periwinkles. medicinal plants. alternative medicine. blue flower on a white

abstract alternative art background blossom blue bluebell botanical botany bouquet branch bud color decor decoration decorative design drawing element flora floral flower garden green illustration isolated leaf meadow medicinal medicine natural nature pattern periwinkle periwinkles petal plant plants purple season sketch spring springtime summer template textile texture vector wallpaper watercolor white wild wildflower