Plants

.
Flower has only it beauty and scent to enhance the atmosphere but they are several plants that has and continue to provide importance to human society .

In various way, could be providing oxygen to the atmosphere, or proving that natural leaves only take green color when it is fresh and yellow when it is dead. Likewise most importantly provide edible arrangements for the growth and healthy development of human.
Plants definitely in common nouns, comes in different shapes,beaut, scent , but with no doubt commonly comes in it nature color.