Botanical name: 

Cryptostegia grandiflora Roxb. ex R.Br.

Family: 

Apocynaceae

Vernacular names: 

Rubber vine (E), Palai (T) 

Habit: 

Twiner

Origin: 

Exotic

National conservation status:

Global conservation status:

Uses:

Ornamental

More information:  

https://www.floraofsrilanka.com/species/2475