echinacea purpurea herb. outline sketch. purple flowers and leaves. a

art aurvedic ayurvedic background big bloom blooming blossom botanical botany chamomile color colorful coneflower daisy draw drawing drawn echinacea extract flora floral flower flowers garden grass green hand health herb herbal illustration immunostimulant isolated leaf leaves line meadow medical medicine organic outline pink plant purple purpurea red sketch stem tea vector white