Papilionaceae family member.

Scientific name: Brya ebenus (L) DC

Dear tell me, Purpose of its growing Brya ebenus, means use of this plant......

It is planted at the Jardin Botanico del Orinoco, Bolivar state, Venezuela and it is used as ornamental. But I have not seen it at other places. 

Brya ebenus

It is a ornamental plants. Brya ebenus, also known as cocus wood,  and, is a species of flowering tree in the pea family, Fabaceae, that is native to the Caribbean islands of Cuba and Jamaica. Horticulturally it is known as the Jamaica Rain Tree. 

Botanical  name: Brya ebenus

It is a  Species

Higher classification: Brya

Yes, it could be Brya ebenus (Jamaica Rain Tree). 

It is called Jamaica Rain Tree

Brya ebenus (L.) DC donna son nom à la corporation des ébénistes (XV siècle), qui l'employer pour la fabrication d'instruments de musique, d'ornementation du meuble, etc.

Son origine est de l'Inde et l'Ethiopie, mais pas le continent américain

This photograph showing Brya ebenus  Common name: Jamaican Ebony, Jamaican Rain Tree, Ebony Coccuswood, Granadilla, West Indian Ebony

Botanical name: Brya ebenus Family: Fabaceae (Pea family)

Synonyms: Aspalathus ebenus

Brya ebenus Family Fabaceae Ornamental plant

Thanks Dr Channapa

Brya ebenus (Linn.) DC.(Fabaceae) is the correct answer. It is a small tree native to Carribean island. It is commonly known as 'Jamaican Rain Tree'.

Thanks Dr. Singh, I appreciate your help