Stock photography, photos: Cornflower (Convolvulus) Stock photos of Cornflower (Convolvulus) Photograph: © Franz Waldhaeusl Click for a larger image and more information Keywords associated with this stock photo: blooming, blossom, blossoming, blossoms, blue, botanical, botany, Convolvulaceae, Convolvulus, cornflower, cornflowers, efflorescent, flora, flourishing, flower, flowers, mauve, nature, plant, plants, purple