Brahma Kamal is the name of a species of flowering plant found mostly in the Himalayas. Brahma Kamal is also known as Saussurea Obvallata. These flowers belong to the thistle tribe of plants. They are also found in many places in and around India. These flowers start blooming after sunset, which is from 7 PM. It takes around 2 hours to bloom completely up to 8 inches in diameter and remain open the whole night.