lobelia siphilitica. the blue flowers of great blue lobelia.

flower plant wildflower herb meadow lilac produce blossom prairie shrub nature purple lavender field vegetable grass lobelia siphilitica blue flowers great close background beautiful beauty bellflower bloom blooming blossom blue botanical botany cardinal closeup color colorful flora floral flower fresh garden lobelia green growth leaf siphilitica natural nature outdoors petal plant purple spring stamen summer syphilitics violet violet flowers