large flowers of periwinkle - vinca minor l. it seems that the periwinkle has the ability to drive away evil spirits, planted in

alkaloid background beautiful beauty blood blooming blue botanic circulation decorative delight drug flower forest gentle green group happiness herb herbal hypertension inspiration leaf love macro meadow medicine minor mysterious natural nature nectar periwinkle petal pharmacology plant poisonous pressure purple season shrub spring summer symbol traditional vinca vincamine vinpocetine