Understanding the meanings of common kinds of flowers is very important when you send flowers to someone, because human beings perceive flowers with different feelings and implications.
Type of flower signify the feeling you express to the receiver. Roses are often interpreted as signifying passionate love and deep friendship. Lotuses, peonies and lilies are considered symbols of courtesy, tenderness and loyalty. Orchids means noble beauty and maturity while sunflowers mean youth, eagerness and a promising future.
Knowing what type of flowers the receiver likes helps in choosing the type of flowers one can send. Best flower for newly married couple might be red roses and peonies, to wish them love and a happy marriage. The best suited flowers for a bride are lilies, orchids and roses.