Mesua ferrea

About

Mesua ferrea, the Ceylon ironwood, or cobra saffron, is a species in the family Calophyllaceae native to the Indomalayan realm. This slow-growing tree is named after the heaviness and hardness of its timber. It is widely cultivated as an ornamental for its graceful shape, grayish-green foliage with a striking pink to red flush of drooping young leaves, and its large, fragrant white flowers. It is the national tree of Sri Lanka, as well as the state tree of Mizoram and state flower of Tripura in India.

Summary from Wikipedia