beautiful closeup view of violet common periwinkle vinca apocynaceae flowers used in chromo therapy to reduce anger and anxiety

alternative anther april background beautiful beauty best biology bloom blooming blossom blue botany chronotherapy closeup color colorful delicate dublin filament five flora floral flower fresh garden gardening growing herbal ireland low macro march medicine nature nectar peace periwinkle petal petaled plant pollen purple season soft spring stamen stigma summer tranquility vertical violet wild