Flowers are great for decorating. They’re also a great way of saying thanks or expressing your love for someone. In fact, flowers can symbolize many feelings and emotions. Some flowers have practical uses and can be used to make anything from medicines to air purifiers. There are around four hundred thousand different species of flowering plants in the world. There are even many more that are yet to be discovered and documented. Some of them bloom once in a blue moon while others are almost extinct in the wild.