A. A corsage is a floral piece worn by a female. She can pin it on to her attire by her left shoulder, pin it on to her purse or wear it on her wrist. Corsages consist of focal flowers, accent flowers, greenery and a bow. A boutonniere is a floral piece worn by a male. He pins it on his attire by his left shoulder. Boutonnieres consist of a focal flower or two, greenery and at times, accent flowers. Bows are not included on boutonnieres.