On Mar 1, 2008, Razaak from Hyderabad India wrote:
Flower is highly fragrant, can be felt at a distance of 50 feet.
Fragrance remains only for 2-3 hours from 8 A.M to 11 A.M
If plucked early and kept in a closed room, room will be filled with its fragrance for 5 -6 hours.
We identify it as Magnolia Mutabilis in India.