This is outside the hospital in Dumaguete City (Philippines). According to http://ntbg.org/sharing/featuredplants.php#703:

Believed to be the tree under which Buddha was born, asoka is venerated by Buddhists and Hindus because of its many religious, mythological, and cultural connections, including its association with the Hindu God of Love. The name asoka literally means “without sorrow” and is tied to the belief that the flowers provide protection against grief.