Flowers are a product of plants that have found enormous usage for ornamentation, medicine, food,etc.
Many flowers have important symbolic meanings in Western culture.
The practice of assigning meanings to flowers is known as floriography.
For example red roses are taken as a symbol of love, beauty, and passion.
Poppies are a symbol of consolation in time of death and distress.
Daisies are a symbol of innocence.