Notes:

Pink lotus flower from the Nelumbo family are seen as meaning purity and devotion.
It is considered sacred, and it is associated within the highest realms of Buddhism, with the Buddha himself, many kings, and the highest deity often depicted with this plant. Pink lotus flower that is considered to be the supreme lotus.
They emerge slowly from dirty, muddy ponds over a period of a few days, and open all in the morning, and close their petals in the late afternoon. Despite, emerging from such a muddy and dirty environment, the lotus flower remains clean; and not only this it is beautiful. Many civilizations have therefore associated the lotus flower with rebirth and especially in Buddhism with purity.
The state that the pink lotus flower is in is also representative of the state that a person is going through and the flower represents ones heart; when the flower is a just a bud it is synonymous with a closed in person who is yet to step up other way of spirituality. As a flower blooms it comes to represent a place in opening up to all that is around them. The fully opened pink lotus flower represents a full sense of enlightenment and somebody who has reached Nirvana.